Largest Nasdaq Short Interest Percent Increases as of Dec. 30

The following are the 200 largest short interest percent increases on the Nasdaq Stock Market as of the Dec. 30 settlement date. This list includes securities with a short position of at least 200,000 shares.



Ticker                                                                     
Symbol   Company                        Dec. 30       Dec. 15      % Change   
=============================================================================
RAM      RAM ENERGY RESOU             1,887,726       293,895       542.3
CLVS     CLOVIS ONCOLOGY                648,712       210,954       207.5
ALXA     ALEXZA PHARMACEU             2,708,709     1,001,772       170.4
GRFS     GRIFOLS SA-ADR               3,889,185     1,540,769       152.4
UBNT     UBIQUITI NETWORK             2,034,809       892,004       128.1
LRCX     LAM RESEARCH                 7,961,370     4,303,536        85.0
IMI      INTERMOLECULAR I               791,980       444,073        78.3
VCSH     VANGUARD-S/T COR               441,489       260,596        69.4
LBTYK    LIBERTY GLOBAL-C               511,070       314,425        62.5
IFGL     ISHARES FTSE EPR               529,127       331,121        59.8
HAFCD    HANMI FINL CORP              1,276,565       812,153        57.2
ABIO     ARCA BIOPHARMA                 707,328       453,498        56.0
YRCW     YRC WORLDWIDE IN               420,533       280,801        49.8
CALL     MAGICJACK VOCAL              1,548,184     1,053,068        47.0
HAST     HASTINGS ENTMNT                675,918       477,797        41.5
CWCO     CONS WATER CO-OR               676,877       487,715        38.8
SEIC     SEI INVESTMENTS              1,113,241       806,242        38.1
AWAY     HOMEAWAY INC                 4,877,202     3,597,700        35.6
SOHU     SOHU.COM INC                 4,079,561     3,060,746        33.3
EZCH     EZCHIP SEMICONDU             2,100,021     1,578,803        33.0
WFSL     WASH FED                       796,131       606,053        31.4
ECYT     ENDOCYTE INC                 1,331,094     1,016,324        31.0
SHLD     SEARS HOLDINGS              14,244,149    10,886,395        30.8
ATHN     ATHENAHEALTH INC             8,201,908     6,332,093        29.5
EXPE     EXPEDIA INC                 11,234,515     8,710,763        29.0
NTES     NETEASE.COM-ADR              1,397,670     1,087,471        28.5
LOOP     LOOPNET INC                  1,014,413       789,990        28.4
FLDM     FLUIDIGM CORP                1,237,546       977,186        26.6
BABY     NATUS MEDICAL                1,487,673     1,174,832        26.6
HZNP     HORIZON PHARMA I               424,912       337,688        25.8
DISH     DISH NETWORK-A               6,960,550     5,535,505        25.7
MLNX     MELLANOX TECHNOL             1,213,241       964,976        25.7
RNOW     RIGHTNOW TECH                2,386,606     1,911,548        24.9
FNFG     FIRST NIAGARA FI            10,038,724     8,053,521        24.7
ADES     ADA-ES INC                     384,212       309,808        24.0
SCHS     SCHOOL SPECIALTY             1,704,434     1,381,452        23.4
SPPI     SPECTRUM PHARMAC             8,671,797     7,056,650        22.9
ITRI     ITRON INC                    1,844,331     1,503,989        22.6
ROIC     RETAIL OPPORTUNI             2,731,658     2,227,964        22.6
THOR     THORATEC CORP                1,924,553     1,574,108        22.3
SZYM     SOLAZYME INC                 3,308,724     2,706,736        22.2
MSFT     MICROSOFT CORP              67,807,732    55,791,002        21.5
LECO     LINCOLN ELECTRIC               559,464       462,080        21.1
SNPS     SYNOPSYS INC                 1,694,382     1,405,890        20.5
GEVA     SYNAGEVA BIOPHAR               384,373       321,123        19.7
VRSK     VERISK ANALYTI-A             1,151,511       962,200        19.7
AFSI     AMTRUST FIN SERV             3,040,447     2,542,298        19.6
HGIC     HARLEYSVILLE GRP             1,595,136     1,336,502        19.4
ZLTQ     ZELTIQ AESTHETIC             3,246,891     2,721,064        19.3
AEIS     ADV ENERGY INDS              2,849,827     2,392,309        19.1
CENX     CENTURY ALUMINUM             6,930,450     5,818,860        19.1
RPXC     RPX CORP                       654,233       550,132        18.9
LAVA     MAGMA DESIGN AUT             4,067,619     3,422,966        18.8
INTU     INTUIT INC                   4,947,678     4,167,069        18.7
HGSI     HUMAN GENOME SCI            28,772,752    24,314,807        18.3
IVAC     INTEVAC INC                    837,819       708,351        18.3
OXBT     OXYGEN BIOTHERAP               397,351       338,185        17.5
IPAR     INTER PARFUMS                  872,717       745,087        17.1
GRPN     GROUPON INC                 17,328,422    14,796,819        17.1
CPTS     CONCEPTUS INC                2,814,680     2,404,331        17.1
TIBX     TIBCO SOFTWARE               2,184,260     1,866,835        17.0
NTAP     NETAPP INC                  22,517,962    19,261,137        16.9
DNKN     DUNKIN' BRANDS G             4,579,968     3,918,971        16.9
PGNX     PROGENICS PHARM              1,464,974     1,256,000        16.6
STLD     STEEL DYNAMICS               4,975,674     4,277,338        16.3
CRUS     CIRRUS LOGIC INC             5,930,665     5,145,172        15.3
TNGO     TANGOE INC/CT                  891,369       774,509        15.1
TSCO     TRACTOR SUPPLY               2,338,861     2,034,544        15.0
SUSS     SUSSER HOLDINGS                454,714       396,909        14.6
NLST     NETLIST INC                  1,161,927     1,014,677        14.5
SNCR     SYNCHRONOSS TECH             5,121,169     4,477,346        14.4
LINC     LINCOLN EDUCATIO               950,031       831,355        14.3
SCBT     SCBT FINANCIAL C               777,616       681,067        14.2
KITD     KIT DIGITAL INC             15,816,142    13,861,648        14.1
PRFT     PERFICIENT INC                 828,365       729,195        13.6
RDEN     ELIZABETH ARDEN              1,206,220     1,064,513        13.3
MTGE     AMERICAN CAPITAL               315,129       278,495        13.2
INSP     INFOSPACE INC                1,552,222     1,372,877        13.1
PCRX     PACIRA PHARMACEU             1,596,692     1,412,301        13.1
INFY     INFOSYS LTD-ADR             12,069,038    10,692,172        12.9
ICLR     ICON PLC-ADR                 1,632,051     1,445,995        12.9
CBEY     CBEYOND INC                  1,378,274     1,221,820        12.8
LNCE     SNYDERS-LANCE                3,326,106     2,948,549        12.8
STSA     STERLING FINL/WA             1,108,524       982,706        12.8
DECK     DECKERS OUTDOOR              5,260,033     4,663,158        12.8
AMLN     AMYLIN PHARM INC            10,621,400     9,421,519        12.7
VRTX     VERTEX PHARM                 9,245,251     8,207,225        12.6
AVEO     AVEO PHARMACEUTI             2,414,370     2,144,992        12.6
NUAN     NUANCE COMMUNICA            12,109,447    10,774,986        12.4
FNSR     FINISAR CORP                12,615,278    11,225,787        12.4
OSUR     ORASURE TECH                 2,831,529     2,522,143        12.3
CYMI     CYMER INC                    2,193,827     1,956,585        12.1
RECN     RESOURCES CONNEC             2,031,834     1,812,333        12.1
MDSO     MEDIDATA SOLUTIO             2,176,440     1,942,849        12.0
ONXX     ONYX PHARM                   6,489,219     5,795,476        12.0
SAVE     SPIRIT AIRLINES              2,050,961     1,832,127        11.9
CADX     CADENCE PHARMACE             7,936,789     7,096,910        11.8
CMVT     COMVERSE TECH                1,725,949     1,543,705        11.8
CHNG     CHINA NATURAL GA               715,136       639,760        11.8
PMCS     PMC-SIERRA INC               3,744,379     3,350,418        11.8
AGNC     AMERICAN CAPITAL             6,892,465     6,170,858        11.7
SFLY     SHUTTERFLY INC               8,370,913     7,516,131        11.4
HCBK     HUDSON CITY BNCP            17,797,992    15,990,876        11.3
AUTH     AUTHENTEC INC                  423,835       381,183        11.2
ESIO     ELECTRO SCI INDS               706,011       635,083        11.2
SATS     ECHOSTAR CORP-A                409,830       368,768        11.1
MAT      MATTEL INC                  12,411,921    11,176,709        11.1
CSOD     CORNERSTONE ONDE             2,231,375     2,014,322        10.8
TWTC     TW TELECOM INC               5,433,816     4,913,094        10.6
JOBS     51JOB INC-ADR                  499,096       451,327        10.6
VPRT     VISTAPRINT NV                9,967,591     9,027,537        10.4
WTSLA    WET SEAL INC -A             13,523,971    12,251,946        10.4
POZN     POZEN INC                    1,114,922     1,010,756        10.3
WCRX     WARNER CHILCOT-A             2,449,546     2,222,599        10.2
SMBL     SMART BALANCE IN             3,440,172     3,121,596        10.2
APKT     ACME PACKET INC              5,264,408     4,778,709        10.2
HURN     HURON CONSULTING               698,842       635,729         9.9
COLM     COLUMBIA SPORTSW             1,546,989     1,407,961         9.9
KEYN     KEYNOTE SYSTEMS                974,217       886,845         9.9
CLSN     CELSION CORP                 2,735,426     2,491,921         9.8
CHTR     CHARTER COM-A                1,094,134       996,831         9.8
ALXN     ALEXION PHARM                3,062,089     2,792,283         9.7
FELE     FRANKLIN ELEC CO             1,111,209     1,014,332         9.6
SLM      SLM CORP                     8,095,412     7,390,423         9.5
FBNK     FIRST CONNECTICU               656,864       599,891         9.5
BGFV     BIG 5 SPORTING                 695,982       635,664         9.5
DBLE     DOUBLE EAGLE PET               241,312       220,575         9.4
OPNT     OPNET TECH INC               1,723,789     1,576,078         9.4
HMSY     HMS HOLDINGS COR             5,552,676     5,084,255         9.2
WSTL     WESTELL TECH-A               1,796,867     1,645,292         9.2
BEBE     BEBE STORES INC              2,078,085     1,903,530         9.2
DGIT     DIGITAL GENERATI             2,133,090     1,955,619         9.1
JCOM     J2 GLOBAL INC                9,745,037     8,943,995         9.0
ATML     ATMEL CORP                  12,988,342    11,921,178         9.0
EA       ELECTRONIC ARTS             16,035,513    14,720,398         8.9
CY       CYPRESS SEMICON              7,050,304     6,473,517         8.9
WIN      WINDSTREAM CORP             31,314,388    28,767,578         8.9
MWIV     MWI VETERINARY S             1,152,207     1,060,000         8.7
PAYX     PAYCHEX INC                  7,749,379     7,129,763         8.7
BRLI     BIO-REFER LABS               4,358,340     4,012,445         8.6
ANTH     ANTHERA PHARMACE             1,220,194     1,123,681         8.6
CAMP     CALAMP CORP                    242,479       223,356         8.6
ARTNA    ARTESIAN RES-A                 231,689       213,709         8.4
FWLT     FOSTER WHEELER               2,272,487     2,098,310         8.3
CBOU     CARIBOU COFFEE               1,952,901     1,804,835         8.2
MXIM     MAXIM INTEGRATED             5,521,466     5,110,417         8.0
STAA     STAAR SURGICAL               2,678,831     2,480,750         8.0
VELT     VELTI PLC                    3,049,973     2,825,471         7.9
OYOG     OYO GEOSPACE COR               224,844       208,338         7.9
FFN      FRIENDFINDER NET             1,311,190     1,216,175         7.8
PRMW     PRIMO WATER CORP             2,137,760     1,982,926         7.8
KTOS     KRATOS DEFENSE &             4,262,979     3,954,594         7.8
SWKS     SKYWORKS SOLUTIO             7,657,758     7,104,081         7.8
CROX     CROCS INC                    6,525,034     6,053,313         7.8
ASML     ASML HOLDING-NY              3,423,710     3,176,720         7.8
UHAL     AMERCO                         302,049       280,342         7.7
BOKF     BOK FINL CORP                  893,320       829,419         7.7
UNTD     UNITED ONLINE                6,392,734     5,936,080         7.7
NKTR     NEKTAR THERAPEUT            18,922,412    17,580,162         7.6
HCCI     HERITAGE-CRYSTAL               365,839       340,340         7.5
TRGL     TOREADOR RES                   779,934       725,742         7.5
FTWR     FIBERTOWER CORP              3,453,462     3,215,714         7.4
ISRG     INTUITIVE SURGIC             1,036,274       966,473         7.2
TECH     TECHNE CORP                    547,683       511,799         7.0
ACHN     ACHILLION PHARMA             5,881,119     5,505,117         6.8
ANGI     ANGIE'S LIST INC             3,285,874     3,076,283         6.8
VECO     VEECO INSTRUMENT             9,435,953     8,834,368         6.8
SREV     SERVICESOURCE IN             6,448,786     6,043,489         6.7
HMIN     HOME INNS & -ADR             6,410,424     6,007,708         6.7
IGTE     IGATE CORP                   2,118,282     1,986,258         6.6
APRI     APRICUS BIOSCIEN             2,482,019     2,327,555         6.6
ASEI     AMERICAN SCIENCE               514,642       482,701         6.6
APOL     APOLLO GROUP-A              10,224,882     9,595,104         6.6
HERO     HERCULES OFFSHOR            11,029,702    10,357,953         6.5
CTSH     COGNIZANT TECH-A             4,569,166     4,290,953         6.5
FOSL     FOSSIL INC                   4,512,092     4,237,828         6.5
CHEF     CHEFS WAREHOUSE                713,825       670,793         6.4
COOL     MAJESCO ENTERTAI             2,262,259     2,128,438         6.3
UNIS     UNILIFE CORP                 5,873,542     5,528,328         6.2
ADTN     ADTRAN INC                   4,640,013     4,368,884         6.2
ZOOM     ZOOM TECHNOLOGIE               795,165       748,734         6.2
WWWW     WEB.COM GROUP                4,348,493     4,095,255         6.2
GSOL     GLOBAL SOURCES                 608,076       572,966         6.1
VOLC     VOLCANO CORP                 4,182,009     3,941,991         6.1
ANDE     ANDERSONS INC                1,085,683     1,023,742         6.1
MRGE     MERGE HEALTHCARE             5,137,715     4,844,614         6.1
IILG     INTERVAL LEISURE             1,301,960     1,227,701         6.0
HSTM     HEALTHSTREAM INC             1,293,957     1,220,445         6.0
MTRX     MATRIX SERVICE                 844,893       797,423         6.0
MRNAD    MARINA BIOTECH I               466,209       440,857         5.8
DVAX     DYNAVAX TECHNOLO            15,145,186    14,326,661         5.7
CDTI     CLEAN DIESEL                   463,901       438,924         5.7
IIVI     II-VI INC                    2,359,163     2,232,797         5.7
ACOM     ANCESTRY.COM INC             6,657,314     6,300,770         5.7
ANEN     ANAREN INC                     557,174       527,473         5.6
NATI     NATL INSTRUMENTS             1,619,334     1,533,298         5.6
DARA     DARA BIOSCIENCES               227,723       215,707         5.6
AFAM     ALMOST FAMILY IN               626,867       594,318         5.5
COMV     COMVERGE INC                   878,262       832,725         5.5
TRMK     TRUSTMARK CORP               5,271,946     4,999,469         5.5

*-- Data includes ETF positions.

-- Bloomberg News

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