Largest Nasdaq Short Interest Percent Increases as of Dec. 31

The following are the 200 largest short interest percent increases on the Nasdaq Stock Market as of the Dec. 31 settlement date. This list includes securities with a short position of at least 200,000 shares.



Ticker                                                                     
Symbol   Company                        Dec. 31       Dec. 15      % Change   
=============================================================================
RPRX     REPROS THERAPEUT             1,003,956       241,804       315.2
MGIC     MAGIC SOFTWARE               1,216,188       374,109       225.1
NTSP     NETSPEND HOLDING             3,069,902       978,723       213.7
TFM      FRESH MARKET INC               953,650       354,540       169.0
MCOX     MECOX LANE-ADR               1,080,282       408,313       164.6
STKL     SUNOPTA INC                    573,108       218,092       162.8
BCON     BEACON POWER                 4,220,629     1,981,188       113.0
AVGO     AVAGO TECHNOLOGI             8,499,063     4,298,137        97.7
DVAX     DYNAVAX TECHNOLO             4,028,875     2,048,355        96.7
VRA      VERA BRADLEY INC             1,128,819       611,700        84.5
TGA      TRANSGLOBE ENERG               390,978       221,703        76.4
SATS     ECHOSTAR CORP-A                375,306       230,325        62.9
NTWK     NETSOL TECH INC                588,814       365,794        61.0
GNOM     COMPLETE GENOMIC               847,454       538,189        57.5
AMRS     AMYRIS INC                     455,372       290,577        56.7
URRE     URANIUM RES INC              2,079,035     1,330,457        56.3
OXPS     OPTIONSXPRESS HO             6,167,890     3,949,193        56.2
MERC     MERCER INTERNATI             1,710,007     1,094,969        56.2
YUII     YUHE INTERNATION             1,022,087       661,099        54.6
BIOF     BIOFUEL ENERGY C               508,069       329,272        54.3
HMIN     HOME INNS & -ADR             2,167,553     1,412,534        53.5
VOD      VODAFONE GRP-ADR             7,460,156     4,954,768        50.6
PRTS     US AUTO PARTS NE               981,490       658,316        49.1
RNOW     RIGHTNOW TECH                3,182,150     2,141,797        48.6
AREX     APPROACH RESOURC               701,157       473,164        48.2
CORT     CORCEPT THERA                2,483,278     1,688,922        47.0
AGYS     AGILYSYS INC                   887,473       604,459        46.8
LPLA     LPL INVESTMENT H               793,659       545,678        45.4
AAXJ     ISHAR ASIA EX-JP             2,797,825     1,940,321        44.2
AGNC     AMERICAN CAPITAL             3,504,454     2,445,435        43.3
XXIA     IXIA                         3,141,055     2,204,286        42.5
ROSE     ROSETTA RESOURCE             3,892,426     2,740,114        42.1
ULTR     ULTRAPETROL                    895,561       636,718        40.7
ULTA     ULTA SALON COSME             4,088,784     2,933,690        39.4
LIWA     LIHUA INTERNATIO             2,107,456     1,513,581        39.2
ZOOM     ZOOM TECHNOLOGIE               566,678       410,373        38.1
CPRT     COPART INC                   1,605,864     1,164,834        37.9
VRSK     VERISK ANALYTI-A             1,040,195       758,083        37.2
CHTP     CHELSEA THERAPEU             4,147,589     3,037,084        36.6
CCIH     CHINACACHE-ADR                 456,437       334,417        36.5
KEYW     KEYW HOLDING COR             1,220,960       902,277        35.3
WEST     AKEENA SOLAR INC             1,449,522     1,074,883        34.9
ZN       ZION OIL & GAS               1,041,556       776,838        34.1
BRNC     BRONCO DRILLING              1,034,282       773,478        33.7
BOOM     DYNAMIC MATERIAL               608,015       458,393        32.6
CPLP     CAPITAL PRODUCT                390,714       295,457        32.2
TPGI     THOMAS PROPERTIE               813,842       616,053        32.1
ANDS     ANADYS PHARMACEU               911,766       692,326        31.7
HBHC     HANCOCK HLDG CO              2,302,125     1,766,385        30.3
NARA     NARA BANCORP INC             1,854,854     1,427,433        29.9
RXII     RXI PHARMACEUTIC             2,048,563     1,589,814        28.9
VRSN     VERISIGN INC                12,224,273     9,508,234        28.6
ZAGG     ZAGG INC                     4,111,925     3,199,300        28.5
ACPW     ACTIVE POWER INC               525,797       410,214        28.2
STNR     STEINER LEISURE                380,190       297,076        28.0
ISSI     INTEGRAT SIL SOL             1,032,095       810,094        27.4
PACB     PACIFIC BIOSCIEN             2,716,767     2,140,290        26.9
CHUX     O'CHARLEYS INC               1,844,821     1,457,159        26.6
ACAD     ACADIA PHARMACEU               307,710       244,350        25.9
TIBX     TIBCO SOFTWARE               7,128,485     5,667,258        25.8
PLXS     PLEXUS CORP                  1,771,468     1,421,182        24.6
SMOD     SMART MODULAR TE             2,301,291     1,848,184        24.5
GTIV     GENTIVA HEALTH               1,633,546     1,313,763        24.3
RYAAY    RYANAIR HLDG-ADR               516,465       415,487        24.3
PSDV     PSIVIDA CORP                   388,941       314,506        23.7
ONCY     ONCOLYTICS BIO               1,013,687       820,961        23.5
UEPS     NET 1 UEPS TECH                339,241       275,495        23.1
SPRD     SPREADTRUM-ADR               1,346,886     1,095,161        23.0
BSFT     BROADSOFT INC                1,155,938       949,710        21.7
IKAN     IKANOS COMMUNICA             1,757,390     1,445,304        21.6
NYMX     NYMOX PHARMACEUT               976,932       803,607        21.6
VPRT     VISTAPRINT NV                6,979,361     5,742,284        21.5
FORR     FORRESTER RESEAR               462,386       381,516        21.2
PRXL     PAREXEL INTL                 3,855,416     3,184,119        21.1
RUTH     RUTH'S HOSPITALI             2,864,687     2,374,767        20.6
WFD      WESTFIELD FIN                  877,784       730,465        20.2
MITI     MICROMET INC                 4,301,509     3,593,635        19.7
TRGL     TOREADOR RES                 1,851,902     1,551,886        19.3
UBNK     UNITED FINANCIAL               365,602       306,869        19.1
ROVI     ROVI CORP                    7,789,829     6,567,573        18.6
BHLB     BERKSHIRE HILLS                847,928       715,192        18.6
EZCH     EZCHIP SEMICONDU               512,307       432,962        18.3
NEOG     NEOGEN CORP                  1,208,974     1,021,856        18.3
EHTH     EHEALTH INC                  4,641,095     3,936,910        17.9
OPXT     OPNEXT INC                   1,508,175     1,280,740        17.8
LPHI     LIFE PARTNERS HO             2,759,688     2,363,437        16.8
CHOP     CHINA GERUI ADV                908,135       778,937        16.6
SAFM     SANDERSON FARMS              1,964,777     1,685,607        16.6
PARD     PONIARD PHARMACE             4,566,561     3,924,452        16.4
HMPR     HAMPTON ROADS BA             1,694,114     1,456,025        16.4
NSPH     NANOSPHERE INC               1,465,492     1,267,235        15.6
RP       REALPAGE INC                 1,044,238       903,548        15.6
CPWM     COST PLUS INC/CA             1,367,869     1,186,147        15.3
ROCK     GIBRALTAR INDUST               942,101       820,108        14.9
PMCS     PMC-SIERRA INC               6,482,938     5,646,207        14.8
UTIW     UTI WORLDWIDE                1,471,903     1,282,233        14.8
MMYT     MAKEMYTRIP LTD               1,181,512     1,029,845        14.7
CTRP     CTRIP.COM-ADR                8,407,604     7,358,634        14.3
DRYS     DRYSHIPS INC                21,611,301    18,928,213        14.2
ALIM     ALIMERA SCIENCES             1,133,488       994,030        14.0
SAFT     SAFETY INSURANCE               356,530       313,088        13.9
HLIT     HARMONIC INC                 3,271,331     2,875,356        13.8
CCME     CHINA MEDIAEXPRE             5,463,096     4,810,933        13.6
SCHS     SCHOOL SPECIALTY             2,442,189     2,152,071        13.5
AVNR     AVANIR PHARM INC            15,226,002    13,423,343        13.4
CRNT     CERAGON NETWORKS               359,753       317,329        13.4
HEAT     SMARTHEAT INC                2,776,501     2,452,646        13.2
ENZN     ENZON PHARMACEUT             6,519,470     5,771,729        13.0
APRI     APRICUS BIOSCIEN             1,290,720     1,143,772        12.8
GAGA     LE GAGA HLDG-ADR               549,502       487,368        12.7
ITMN     INTERMUNE INC                5,249,338     4,657,103        12.7
CNQR     CONCUR TECH INC              7,275,729     6,456,386        12.7
CMCSA    COMCAST CORP-A              59,852,021    53,173,533        12.6
CVCO     CAVCO INDUSTRIES               358,779       319,036        12.5
PRSP     PROSPERITY BNCSH             4,129,156     3,672,432        12.4
PETD     PETRO DEV CORP               1,931,855     1,718,618        12.4
REDF     REDIFF.COM I-ADR               961,112       855,089        12.4
XLNX     XILINX INC                  30,723,091    27,346,485        12.3
SLXP     SALIX PHARM                  6,817,550     6,073,287        12.3
COBZ     COBIZ FINANCIAL              2,364,952     2,108,236        12.2
HSFT     HISOFT TECHN-ADR               819,738       730,931        12.1
LIFE     LIFE TECHNOLOGIE             4,714,204     4,212,975        11.9
MNKD     MANNKIND CORP               21,476,543    19,195,611        11.9
ANPI     ANGIOTECH PHARMA             1,512,289     1,353,521        11.7
PZZA     PAPA JOHN'S INTL               999,253       895,353        11.6
PPHM     PEREGRINE PHARMA             2,085,627     1,872,129        11.4
PACR     PACER INTL INC               5,567,555     4,998,260        11.4
WCRX     WARNER CHILCOT-A             3,396,105     3,049,898        11.4
MERU     MERU NETWORKS IN             2,023,458     1,817,704        11.3
PENN     PENN NATL GAMING             3,169,368     2,851,166        11.2
ERES     ERESEARCH TECH               1,671,562     1,504,994        11.1
PSEC     PROSPECT CAPITAL             3,643,726     3,284,615        10.9
ROLL     RBC BEARINGS INC               602,898       544,055        10.8
INTU     INTUIT INC                   6,379,814     5,759,761        10.8
HOLI     HOLLYSYS AUTOMAT             1,644,312     1,484,898        10.7
VRGY     VERIGY LTD                   3,467,506     3,133,398        10.7
STFC     STATE AUTO FINL                323,329       292,343        10.6
RGEN     REPLIGEN CORP                  280,788       253,883        10.6
APSG     APPLIED SIGNAL                 768,139       695,117        10.5
UMBF     UMB FINANCIAL                2,057,884     1,862,535        10.5
TSYS     TELE SYSTEMS-A               2,760,794     2,498,841        10.5
FINL     FINISH LINE-A                6,075,227     5,498,984        10.5
MICC     MILLICOM INTL                1,170,218     1,060,527        10.3
JASO     JA SOLAR HOL-ADR            26,713,317    24,223,482        10.3
TECH     TECHNE CORP                    702,124       637,067        10.2
ENTR     ENTROPIC COMMUNI            22,034,983    19,997,124        10.2
SOMX     SOMAXON PHARMACE            11,847,358    10,753,616        10.2
GRAN     BANK GRANITE                   421,370       382,534        10.2
MGAM     MULTIMEDIA GAMES               942,184       855,430        10.1
BRLI     BIO-REFER LABS               5,167,711     4,693,406        10.1
JOYG     JOY GLOBAL INC               3,488,381     3,168,762        10.1
PEIX     PACIFIC ETHANOL              7,825,987     7,111,882        10.0
RCII     RENT-A-CENTER                5,950,480     5,408,486        10.0
OCNF     OCEANFREIGHT INC               380,959       346,492         9.9
VOXX     AUDIOVOX CORP-A                469,781       427,758         9.8
SFNC     SIMMONS FIRST -A               661,559       602,544         9.8
AIXG     AIXTRON AG-ADR               4,236,429     3,867,020         9.6
RUSHA    RUSH ENTER-CL A              1,319,769     1,205,174         9.5
SYNT     SYNTEL INC                     401,051       366,498         9.4
AEZS     AETERNA ZENTARIS             4,877,907     4,458,523         9.4
EXAS     EXACT SCIENCES               4,502,195     4,117,457         9.3
WMAR     WEST MARINE INC                740,949       677,777         9.3
USAT     USA TECHNOLOGIES               388,140       355,514         9.2
ERTS     ELECTRONIC ARTS             18,752,155    17,181,076         9.1
AMLN     AMYLIN PHARM INC            13,355,663    12,240,774         9.1
JOSB     JOS A BANK CLOTH             4,793,529     4,397,925         9.0
THOR     THORATEC CORP                5,998,175     5,504,334         9.0
REVU     PRINCETON REVIEW             1,356,470     1,245,527         8.9
QQQQ     POWERSH-QQQ                 77,109,295    70,802,783         8.9
MDAS     MEDASSETS INC                4,923,716     4,522,165         8.9
RAVN     RAVEN INDUSTRIES               338,312       310,734         8.9
MYL      MYLAN INC                   29,940,590    27,512,159         8.8
FNGN     FINANCIAL ENGINE             1,410,054     1,297,063         8.7
SIFY     SIFY TECHNOL-ADR             1,004,707       924,348         8.7
SAIA     SAIA INC                       691,690       636,554         8.7
IVAN     IVANHOE ENERGY               3,155,033     2,903,640         8.7
SKYW     SKYWEST INC                  1,347,211     1,239,948         8.7
FLIR     FLIR SYSTEMS                 8,811,899     8,112,859         8.6
OMER     OMEROS CORP                    651,615       600,634         8.5
ETFC     E*TRADE FINANCIA             7,984,092     7,361,175         8.5
SMRT     STEIN MART INC                 752,475       693,940         8.4
ZUMZ     ZUMIEZ INC                   3,257,329     3,004,885         8.4
UFCS     UNITED FIRE & CA               471,217       435,009         8.3
WSBC     WESBANCO INC                   680,504       629,200         8.2
DSCOD    DISCOVERY LABS                 499,440       462,341         8.0
JAZZ     JAZZ PHARMACEUTI             2,319,073     2,147,725         8.0
EWBC     EAST WEST BNCRP              3,948,222     3,659,325         7.9
PWRD     PERFECT WORL-ADR             1,377,607     1,276,996         7.9
INSM     INSMED INC                     797,213       739,085         7.9
CVVT     CHINA VALVES TEC             3,127,255     2,899,551         7.9
MOSY     MOSYS INC                    1,225,693     1,136,613         7.8
SQNM     SEQUENOM INC                17,943,624    16,648,978         7.8
LUFK     LUFKIN INDS                  2,386,720     2,215,409         7.7
LBTYK    LIBERTY GLOBAL-C             1,922,174     1,785,007         7.7
AKAM     AKAMAI TECHNOLOG             6,425,292     5,973,396         7.6
MPET     MAGELLAN PETRO                 314,725       292,690         7.5
CAST     CHINACAST EDUCAT               927,314       862,557         7.5
SODA     SODASTREAM INTER             1,793,400     1,670,809         7.3
ARIA     ARIAD PHARM                 10,629,641     9,904,955         7.3
PDLI     PDL BIOPHARMA IN            11,500,987    10,723,863         7.2

*-- Data includes ETF positions.

-- Bloomberg News To contact Bloomberg News for this story: +1-212-318-2000 or newsdev@bloomberg.net

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

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