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Largest Nasdaq Short Interest vs Free Float as of Dec. 31

The following table ranks companies listed on the Nasdaq Stock Market that have more than 10 percent of their shares available for trading sold short by investors as of the Dec. 31 settlement date.



                               Short Interest   Short Interest  Equity Float 
Ticker  Name                      / Float %     (In mln shrs)   (In mln shrs)
=============================================================================
RBCN    RUBICON TECHNOLO             56.26          9.69         17.23
PWER    POWER-ONE INC                45.57         38.99         85.56
CONN    CONN'S INC                   44.65          6.17         13.82
CADX    CADENCE PHARMACE             39.94         13.85         34.68
CCME    CHINA MEDIAEXPRE             39.40          5.46         13.86
LPHI    LIFE PARTNERS HO             37.68          2.76          7.32
ATPG    ATP OIL & GAS                37.16         16.49         44.37
NILE    BLUE NILE INC                35.72          5.08         14.22
BBBB    BLACKBOARD INC               35.48         11.71         33.01
CTCT    CONSTANT CONTACT             35.34          9.81         27.77
NTRI    NUTRISYSTEM INC              35.06          8.42         24.03
PETS    PETMED EXPRESS               34.42          6.80         19.77
VECO    VEECO INSTRUMENT             32.11         12.65         39.39
TSLA    TESLA MOTORS                 31.57          7.12         22.56
ENTR    ENTROPIC COMMUNI             31.22         22.03         70.58
CIEN    CIENA CORP                   31.07         28.29         91.05
EBIX    EBIX INC                     30.91          8.39         27.14
SHLD    SEARS HOLDINGS               30.77         12.13         39.43
CHBT    CHINA-BIOTICS IN             30.53          3.33         10.89
LNET    LODGENET INTERAC             30.38          4.70         15.47
COCO    CORINTHIAN COLLE             29.91         22.76         76.09
TZOO    TRAVELZOO INC                29.49          1.63          5.53
SOMX    SOMAXON PHARMACE             29.46         11.85         40.21
FSLR    FIRST SOLAR INC              29.39         16.30         55.45
QSII    QUALITY SYSTEMS              29.19          5.59         19.15
MNKD    MANNKIND CORP                28.97         21.48         74.14
SODA    SODASTREAM INTER             28.63          1.79          6.26
OPEN    OPENTABLE INC                27.50          4.47         16.27
CALM    CAL-MAINE FOODS              27.12          3.51         12.96
WRLD    WORLD ACCEPTANCE             26.79          3.95         14.74
HRBN    HARBIN ELECTRIC              26.67          5.37         20.13
GMCR    GREEN MOUNTAIN               26.66         26.41         99.05
PFCB    PF CHANG'S CHINA             26.43          5.96         22.56
AMSC    AMER SUPERCONDTR             25.57         11.09         43.36
CCRT    COMPUCREDIT HOLD             25.48          3.24         12.71
SYNA    SYNAPTICS INC                25.43          8.40         33.04
INWK    INNERWORKINGS IN             25.42          6.86         26.98
ARNA    ARENA PHARMACEUT             25.30         30.36        119.99
CBOE    CBOE HOLDINGS IN             25.29          3.13         12.37
DMND    DIAMOND FOODS                25.21          5.34         21.20
ZAGG    ZAGG INC                     25.14          4.11         16.35
ENOC    ENERNOC INC                  25.02          4.03         16.10
MELA    MELA SCIENCES IN             25.02          6.03         24.09
NETL    NETLOGIC MICROSY             24.90         14.19         57.00
ALGT    ALLEGIANT TRAVEL             24.69          3.60         14.58
STEC    STEC INC                     24.39          9.90         40.58
SPWRA   SUNPOWER CORP-A              24.38         13.09         53.71
MMYT    MAKEMYTRIP LTD               23.63          1.18          5.00
MAKO    MAKO SURGICAL                23.39          6.60         28.21
FSYS    FUEL SYSTEMS SOL             23.32          3.57         15.33
ENER    ENERGY CONV DEV              23.27         11.45         49.18
PRAA    PORTFOLIO RECOVE             22.88          3.82         16.70
OREX    OREXIGEN THERAPE             22.87          6.57         28.73
TRLG    TRUE RELIGION AP             22.78          5.39         23.64
FPTB    FIRST PACTRUST               22.64          0.21          0.93
NFLX    NETFLIX INC                  22.48         10.82         48.13
CVBF    CVB FINANCIAL                22.44         18.93         84.36
CSTR    COINSTAR INC                 22.36          6.99         31.28
OZRK    BANK OZARKS                  22.20          3.04         13.70
LOCM    LOCAL.COM CORP               22.11          3.42         15.45
GRMN    GARMIN LTD                   22.05         23.48        106.48
QNST    QUINSTREET INC               21.97          5.59         25.43
MNTA    MOMENTA PHARMACE             21.83          9.07         41.55
MERU    MERU NETWORKS IN             21.79          2.02          9.29
ATHN    ATHENAHEALTH INC             21.41          6.91         32.29
EHTH    EHEALTH INC                  21.28          4.64         21.81
ECHO    ECHO GLOBAL LOGI             21.26          2.21         10.40
TSTC    TELESTONE TECHNO             21.22          1.91          9.00
KNSY    KENSEY NASH CORP             21.17          1.62          7.64
BRLI    BIO-REFER LABS               21.03          5.17         24.57
CAVM    CAVIUM NETWORKS              20.78          8.07         38.83
AUXL    AUXILIUM PHARMAC             20.71          9.82         47.42
BIOD    BIODEL INC                   20.51          4.39         21.41
CAGC    CHINA AGRITECH               20.47          2.61         12.76
CBEH    CHINA INTEGRATED             20.39          2.43         11.89
CREE    CREE INC                     20.39         20.38         99.96
FFBH    FIRST FED BNCSHS             20.15          0.68          3.39
SQNM    SEQUENOM INC                 20.05         17.94         89.48
LOGM    LOGMEIN INC                  19.77          2.88         14.58
TAYC    TAYLOR CAPITAL               19.58          1.92          9.78
QDEL    QUIDEL CORP                  19.47          4.78         24.57
REXX    REX ENERGY CORP              19.46          6.10         31.32
SVNT    SAVIENT PHARMACE             19.34         13.42         69.40
GNOM    COMPLETE GENOMIC             19.29          0.85          4.39
GRNB    GREEN BANKSHARES             19.28          2.11         10.97
STRA    STRAYER EDUCATIO             19.11          2.51         13.14
AMED    AMEDISYS INC                 18.83          5.37         28.51
MBLX    METABOLIX INC                18.80          4.61         24.53
CLWR    CLEARWIRE -CL A              18.54         30.55        164.72
JRCC    JAMES RIVER COAL             18.52          5.06         27.31
DCTH    DELCATH SYSTEMS              18.52          7.65         41.31
CPLA    CAPELLA EDUCATIO             18.33          2.76         15.07
GSIC    GSI COMMERCE INC             18.19         11.18         61.45
GFRE    GULF RESOURCES I             18.18          3.22         17.73
STXS    STEREOTAXIS INC              18.15          6.73         37.07
PEET    PEETS COFFEE &               18.09          2.27         12.56
PACB    PACIFIC BIOSCIEN             17.98          2.72         15.11
NUVA    NUVASIVE INC                 17.93          7.04         39.27
IRDM    IRIDIUM COMMUNIC             17.84          8.17         45.80
BONT    BON-TON STORES               17.75          2.25         12.67
CBPO    CHINA BIOLOGIC P             17.73          1.19          6.72
ACOR    ACORDA THERAPEUT             17.59          6.77         38.49
MIPS    MIPS TECH INC                17.56          8.76         49.89
PLCE    CHILDRENS PLACE              17.55          3.91         22.29
JOSB    JOS A BANK CLOTH             17.54          4.79         27.32
HAWK    SEAHAWK DRILLING             17.52          1.86         10.62
CRWN    CROWN MEDIA HL-A             17.47          4.35         24.93
BJRI    BJ'S RESTAURANTS             17.46          3.78         21.65
ALGN    ALIGN TECHNOLOGY             17.45          9.80         56.19
NVTL    NOVATEL WIRELESS             17.37          5.42         31.24
CNQR    CONCUR TECH INC              17.21          7.28         42.28
RJET    REPUBLIC AIRWAYS             17.12          8.45         49.38
LBTYA   LIBERTY GLOBAL-A             17.10         18.26        106.78
JBLU    JETBLUE AIRWAYS              17.05         40.78        239.13
JAKK    JAKKS PACIFIC                17.05          4.60         26.97
CLDA    CLINICAL DATA IN             16.95          3.14         18.50
PSUN    PAC SUNWEAR CAL              16.79          9.00         53.60
CIGX    STAR SCIENTIFIC              16.71         12.88         77.04
VPRT    VISTAPRINT NV                16.69          6.98         41.83
KITD    KIT DIGITAL INC              16.57          4.45         26.84
ARUN    ARUBA NETWORKS I             16.54         13.97         84.46
UBSI    UNITED BANKSHS               16.49          6.26         37.98
ADTN    ADTRAN INC                   16.47          9.34         56.71
CLNE    CLEAN ENERGY FUE             16.46          7.61         46.25
APWR    A-POWER ENERGY G             16.39          5.41         33.01
LWAY    LIFEWAY FOODS                16.35          0.78          4.75
LIWA    LIHUA INTERNATIO             16.27          2.11         12.95
IDCC    INTERDIGITAL INC             16.22          7.05         43.44
TMRK    TERREMARK WORLDW             16.19          8.05         49.71
SIGA    SIGA TECH INC                16.15          5.65         34.97
CSGP    COSTAR GROUP INC             16.14          3.16         19.56
PACR    PACER INTL INC               16.13          5.57         34.53
AVNR    AVANIR PHARM INC             15.97         15.23         95.35
VITC    VITACOST.COM INC             15.96          1.92         12.05
WIBC    WILSHIRE BANCORP             15.94          3.11         19.52
CVVT    CHINA VALVES TEC             15.89          3.13         19.68
PNSN    PENSON WORLDWIDE             15.88          3.03         19.05
ALIM    ALIMERA SCIENCES             15.86          1.13          7.14
NTSP    NETSPEND HOLDING             15.79          3.07         19.44
SATC    SATCON TECH                  15.76         13.58         86.16
CSKI    CHINA SKY ONE ME             15.76          1.60         10.14
YRCW    YRC WORLDWIDE IN             15.56          7.39         47.48
VVUS    VIVUS INC                    15.50         12.37         79.82
ZUMZ    ZUMIEZ INC                   15.32          3.26         21.26
SSYS    STRATASYS INC                15.16          3.00         19.78
DECK    DECKERS OUTDOOR              15.13          4.90         32.36
CLDX    CELLDEX THERAPEU             15.12          4.59         30.38
SNIC    SONIC SOLUTIONS              15.09          6.57         43.57
RLOC    REACHLOCAL INC               15.06          1.13          7.47
STEI    STEWART ENTERP-A             14.96         11.85         79.24
CBEY    CBEYOND INC                  14.91          4.34         29.12
COLM    COLUMBIA SPORTSW             14.89          1.68         11.29
LULU    LULULEMON ATH                14.78          7.81         52.84
AFFX    AFFYMETRIX INC               14.76          9.59         65.00
LOGI    LOGITECH INTL-R              14.70         28.16        191.61
DEAR    DEARBORN BANCORP             14.70          0.96          6.52
OXPS    OPTIONSXPRESS HO             14.64          6.17         42.12
IMGN    IMMUNOGEN INC                14.61          9.83         67.28
CEPH    CEPHALON INC                 14.56         10.79         74.11
EQIX    EQUINIX INC                  14.56          6.62         45.48
WATG    WONDER AUTO TECH             14.53          3.48         23.97
FUQI    FUQI INTERNATION             14.50          2.11         14.53
CYTX    CYTORI THERAPEUT             14.49          5.99         41.38
BSDM    BSD MEDICAL                  14.45          2.94         20.32
PACW    PACWEST BANCORP              14.36          4.23         29.42
ZOLT    ZOLTEK COS                   14.29          3.95         27.68
PEGA    PEGASYSTEMS INC              14.27          2.29         16.06
RNOW    RIGHTNOW TECH                14.27          3.18         22.31
CAR     AVIS BUDGET GROU             14.17         14.48        102.21
ABAT    ADVANCED BATTERY             14.13          9.50         67.25
SCHL    SCHOLASTIC CORP              14.13          3.23         22.87
INCY    INCYTE CORP                  14.03         15.50        110.47
LLEN    L&L ENERGY INC               14.03          3.17         22.59
MCRL    MICREL INC                   13.98          5.71         40.87
TTWO    TAKE-TWO INTERAC             13.83          9.80         70.86
PSSI    PSS WORLD MEDICA             13.81          7.47         54.10
EDMC    EDUCATION MGMT               13.80          4.49         32.53
SGEN    SEATTLE GENETICS             13.69         13.46         98.26
QCOR    QUESTCOR PHARM               13.67          7.33         53.64
CSIQ    CANADIAN SOLAR I             13.63          4.01         29.45
CASB    CASCADE FINL CRP             13.56          1.29          9.51
SLAB    SILICON LABS                 13.52          5.11         37.77
SCHS    SCHOOL SPECIALTY             13.47          2.44         18.13
CAKE    CHEESECAKE FACTO             13.45          7.45         55.37
POWI    POWER INTEGRATIO             13.42          3.68         27.40
AIRM    AIR METHODS CORP             13.40          1.51         11.24
YONG    YONGYE INTERNATI             13.32          5.17         38.85
ALTH    ALLOS THERAPEUT              13.28         10.26         77.24
AMKR    AMKOR TECH INC               13.26         14.43        108.83
ATHR    ATHEROS COMMUNIC             13.23          9.36         70.73
CCMP    CABOT MICROELEC              13.18          2.96         22.45
BCRX    BIOCRYST PHARM               13.10          5.14         39.23
PODD    INSULET CORP                 13.05          5.16         39.56
RXII    RXI PHARMACEUTIC             13.03          2.05         15.73
ARGN    AMERIGON INC                 13.00          2.66         20.48
DISCA   DISCOVERY COMM-A             13.00         17.29        132.97
RDEA    ARDEA BIOSCIENCE             12.91          2.53         19.59
FSIN    FUSHI COPPERWELD             12.89          3.17         24.59
PANL    UNIVERSAL DISPLA             12.88          4.17         32.38
CMLS    CUMULUS MEDIA-A              12.86          2.63         20.43
GHDX    GENOMIC HEALTH I             12.84          2.14         16.69
HEV     ENER1 INC                    12.84          6.16         47.95
TXRH    TEXAS ROADHOUS               12.82          7.87         61.40
AONE    A123 SYSTEMS INC             12.82         11.52         89.86
DEER    DEER CONSUMER PR             12.78          2.21         17.29
SFSF    SUCCESSFACTORS I             12.75          8.44         66.17
THQI    THQ INC                      12.74          8.54         67.03
MASI    MASIMO CORP                  12.71          6.40         50.40
ISIL    INTERSIL CORP-A              12.70         15.69        123.54
ICUI    ICU MEDICAL                  12.68          1.52         11.97
TIVO    TIVO INC                     12.67         14.43        113.82
KERX    KERYX BIOPHARM               12.62          7.38         58.45
SPMD    SUPERMEDIA INC               12.62          1.90         15.10
CPHD    CEPHEID INC                  12.57          7.38         58.76
ACOM    ANCESTRY.COM INC             12.53          2.18         17.36
ENZN    ENZON PHARMACEUT             12.47          6.52         52.29
AAON    AAON INC                     12.44          1.45         11.64
URBN    URBAN OUTFITTER              12.39         16.06        129.64
NGSX    NEUROGESX INC                12.28          1.06          8.66
VLCM    VOLCOM INC                   12.27          2.18         17.81
MOLX    MOLEX INC                    12.26          7.74         63.12
FAST    FASTENAL CO                  12.24         16.13        131.74
MINI    MOBILE MINI                  12.24          4.30         35.14
BOFI    BOFI HOLDING INC             12.20          0.85          6.96
SLXP    SALIX PHARM                  12.17          6.82         56.02
IMMU    IMMUNOMEDICS INC             12.12          8.61         71.06
HITK    HI-TECH PHARMACA             12.11          1.25         10.31
CERN    CERNER CORP                  12.05          8.63         71.63
CHTP    CHELSEA THERAPEU             12.03          4.15         34.48
FNSR    FINISAR CORP                 12.02          9.56         79.48
TITN    TITAN MACHINERY              12.00          1.59         13.28
FINL    FINISH LINE-A                11.96          6.08         50.81
ERII    ENERGY RECOVERY              11.92          3.95         33.16
MELI    MERCADOLIBRE INC             11.92          3.60         30.23
XLNX    XILINX INC                   11.87         30.72        258.73
CRUS    CIRRUS LOGIC INC             11.83          7.70         65.10
OSBC    OLD SECOND BNCRP             11.82          1.37         11.59
BWLD    BUFFALO WILD WIN             11.78          1.97         16.74
CHCO    CITY HOLDING CO              11.77          1.74         14.78
IDXX    IDEXX LABS                   11.74          6.67         56.82
DRIV    DIGITAL RIVER                11.74          4.51         38.46
ABCW    ANCHOR BANCRP WI             11.71          2.13         18.15
JAZZ    JAZZ PHARMACEUTI             11.66          2.32         19.88
RPRX    REPROS THERAPEUT             11.66          1.00          8.61
GIII    G III APPAREL                11.63          1.83         15.74
GTXI    GTX INC                      11.58          2.60         22.47
KEYW    KEYW HOLDING COR             11.57          1.22         10.55
HEAT    SMARTHEAT INC                11.48          2.78         24.18
AVGO    AVAGO TECHNOLOGI             11.43          8.50         74.34
CBST    CUBIST PHARM                 11.41          6.73         58.99
RRGB    RED ROBIN GOURME             11.41          1.60         14.02
CAAS    CHINA AUTOMOTIVE             11.40          1.11          9.74
THOR    THORATEC CORP                11.36          6.00         52.79
TCBI    TEXAS CAPITAL BA             11.36          3.92         34.55
CPTS    CONCEPTUS INC                11.36          3.48         30.65
PARD    PONIARD PHARMACE             11.34          4.57         40.26
OSIR    OSIRIS THERAPEUT             11.32          1.71         15.06
LANC    LANCASTER COLONY             11.32          2.32         20.45
FFIN    FIRST FIN BANKSH             11.28          2.19         19.44
MDAS    MEDASSETS INC                11.27          4.92         43.68
ICON    ICONIX BRAND GRO             11.27          7.95         70.51
PTEN    PATTERSON-UTI                11.26         17.01        151.09
HIBB    HIBBETT SPORTS I             11.24          3.12         27.78
GBCI    GLACIER BANCORP              11.22          7.83         69.74
CRZO    CARRIZO OIL&GAS              11.21          3.93         35.02
HTWR    HEARTWARE INTERN             11.19          1.18         10.59
SGMO    SANGAMO BIOSCIEN             11.18          4.75         42.46
RITT    RIT TECHNOLOGIES             11.15          0.08          0.71
WTFC    WINTRUST FINL                11.14          3.75         33.69
OSTK    OVERSTOCK.COM                11.10          2.28         20.50
SBAC    SBA COMM CORP-A              11.09         12.59        113.48
SMT     SMART TECHNOL-A              11.09          4.91         44.31
OCLR    OCLARO INC                   11.00          5.44         49.44
RUE     RUE21 INC                    10.98          2.46         22.40
AMTD    TD AMERITRADE HO             10.90         24.31        223.12
CHNG    CHINA NATURAL GA             10.88          1.80         16.59
PNBK    PATRIOT NATL BNC             10.79          0.23          2.12
REGN    REGENERON PHARM              10.71          6.64         62.05
TWGP    TOWER GROUP INC              10.57          4.01         37.91
HSNI    HSN INC                      10.57          4.11         38.89
FNFG    FIRST NIAGARA FI             10.56         21.86        206.97
GERN    GERON CORP                   10.46         12.32        117.84
SAFM    SANDERSON FARMS              10.45          1.96         18.81
ZION    ZIONS BANCORP                10.43         18.10        173.54
SFLY    SHUTTERFLY INC               10.39          2.56         24.68
PURE    PURE BIOSCIENCE              10.33          3.47         33.56
SUBK    SUFFOLK BANCORP              10.31          0.97          9.43
UTHR    UNITED THERAPEUT             10.30          5.02         48.76
WBSN    WEBSENSE INC                 10.30          4.27         41.50
TOWN    TOWNE BANK                   10.28          2.37         23.10
SIVB    SVB FINANCIAL GR             10.27          4.26         41.46
VRA     VERA BRADLEY INC             10.26          1.13         11.00
PMBC    PACIFIC MERCANTL             10.25          0.98          9.57
SIGM    SIGMA DESIGNS                10.25          3.02         29.50
PULB    PULASKI FINL                 10.25          0.84          8.19
HOGS    ZHONGPIN INC                 10.24          2.65         25.93
MXWL    MAXWELL TECH INC             10.23          2.51         24.54
VIVO    MERIDIAN BIOSCI              10.23          4.02         39.32
PNFP    PINNACLE FINL                10.22          3.21         31.39
FEED    AGFEED INDUSTRIE             10.22          3.56         34.85
VLNC    VALENCE TECH                 10.20          7.42         72.75
ALSK    ALASKA COMM SYS              10.20          4.43         43.47
NASB    NASB FINANCIAL               10.20          0.30          2.93
SEED    ORIGIN AGRITECH              10.18          1.42         13.97
LHCG    LHC GROUP INC                10.17          1.58         15.51
OVTI    OMNIVISION TECH              10.11          5.56         55.04
CENX    CENTURY ALUMINUM             10.09          5.62         55.70
PEIX    PACIFIC ETHANOL              10.07          7.83         77.69
LEAP    LEAP WIRELESS                10.02          6.18         61.67

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-0- Jan/11/2011 23:21 GMT

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