Largest Nasdaq Short Interest Percent Increases as of Feb. 15

The following are the 200 largest short interest percent increases on the Nasdaq Stock Market as of the Feb. 15 settlement date. This list includes securities with a short position of at least 200,000 shares.



Ticker                                                                     
Symbol   Company                        Feb. 15       Jan. 31      % Change   
=============================================================================
AUTC     AUTOCHINA INTERN             1,548,714       387,451       299.7
PPDI     PHARM PROD DEVEL             6,745,439     2,007,925       235.9
CAST     CHINACAST EDUCAT             2,301,474     1,005,637       128.9
NPSP     NPS PHARM INC                6,279,325     2,749,912       128.3
SWIR     SIERRA WIRELESS              1,076,005       509,178       111.3
OREX     OREXIGEN THERAPE            11,939,902     5,959,739       100.3
RDWR     RADWARE LTD                    418,118       211,527        97.7
AGNC     AMERICAN CAPITAL             4,216,516     2,166,172        94.7
BRCM     BROADCOM CORP-A             13,775,244     7,114,491        93.6
NDAQ     NASDAQ OMX GROUP            11,330,912     5,968,234        89.9
MOTR     MOTRICITY INC                5,688,799     3,105,367        83.2
JDSU     JDS UNIPHASE                10,206,067     5,947,955        71.6
CHTR     CHARTER COM-A                  584,845       355,350        64.6
OCLS     OCULUS INNOVATIV               940,521       582,030        61.6
TWER     TOWERSTREAM CORP               614,176       381,469        61.0
EPCT     EPICEPT CORP                   448,714       280,401        60.0
DFZ      BARRY (R.G.)                   337,480       212,580        58.8
REFR     RESEARCH FRONT               1,687,924     1,072,834        57.3
CXDC     CHINA XD PLASTIC               628,278       407,983        54.0
EZCH     EZCHIP SEMICONDU               809,573       536,866        50.8
HRLY     HERLEY INDS                    378,215       253,806        49.0
TQNT     TRIQUINT SEMICON            12,393,097     8,333,825        48.7
TBSI     TBS INTERNATIO-A               448,537       302,401        48.3
MEOH     METHANEX CORP                  566,168       382,229        48.1
HOLI     HOLLYSYS AUTOMAT             2,831,133     1,927,049        46.9
APKT     ACME PACKET INC              4,032,166     2,756,685        46.3
AMZN     AMAZON.COM INC               9,743,965     6,684,226        45.8
ASYS     AMTECH SYS INC                 555,258       387,602        43.3
SCSS     SELECT COMFORT C             2,666,673     1,864,252        43.0
NXPI     NXP SEMICONDUCTO             1,154,438       820,390        40.7
NICE     NICE SYSTEMS-ADR               440,600       313,745        40.4
CTXS     CITRIX SYSTEMS               7,042,343     5,048,019        39.5
JOYG     JOY GLOBAL INC               3,222,450     2,313,776        39.3
CVLT     COMMVAULT SYSTEM             2,438,384     1,751,322        39.2
PMTC     PARAMETRIC TECH              5,064,891     3,659,045        38.4
SLRC     SOLAR CAPITAL LT               743,044       537,438        38.3
CERP     CEREPLAST INC                  308,787       223,921        37.9
OPXT     OPNEXT INC                   1,481,162     1,080,834        37.0
SIFY     SIFY TECHNOL-ADR               699,792       511,132        36.9
NOVL     NOVELL INC                   4,207,859     3,074,446        36.9
CSCO     CISCO SYSTEMS               53,484,160    39,156,157        36.6
CA       CA INC                       8,418,914     6,168,864        36.5
SIMG     SILICON IMAGE                3,242,876     2,390,813        35.6
OCZ      OCZ TECHNOLOGY               1,844,624     1,360,902        35.5
CDXS     CODEXIS INC                    686,915       507,634        35.3
IGTE     IGATE CORP                   1,511,490     1,120,124        34.9
GKSR     G & K SERVICES-A               381,012       283,493        34.4
PLUG     PLUG POWER INC               3,294,764     2,461,110        33.9
ZAGG     ZAGG INC                     5,879,118     4,408,676        33.4
INTU     INTUIT INC                   4,118,333     3,097,419        33.0
SGMS     SCIENTIFIC GAM-A             3,819,953     2,874,922        32.9
CMCO     COLUMBUS MCKI/NY               517,047       390,303        32.5
SUSQ     SUSQUEHAN BNCSHS            10,605,584     8,006,304        32.5
GIVN     GIVEN IMAGING                  323,476       244,791        32.1
RENT     RENTRAK CORP                   503,580       382,273        31.7
TZOO     TRAVELZOO INC                1,719,955     1,306,402        31.7
ARLP     ALLIANCE RESOURC               387,825       294,872        31.5
RCKB     ROCKVILLE FINANC               660,720       502,643        31.4
SOHU     SOHU.COM INC                 2,723,921     2,080,055        31.0
VRSN     VERISIGN INC                10,708,316     8,196,142        30.7
IPGP     IPG PHOTONICS                1,190,140       914,909        30.1
FFIV     F5 NETWORKS                  5,550,257     4,294,604        29.2
OSBC     OLD SECOND BNCRP             2,052,177     1,590,831        29.0
DVOX     DYNAVOX INC-CL A               584,539       454,158        28.7
ISYS     INTEGRAL SYSTEMS               884,293       687,757        28.6
CHKP     CHECK POINT SOFT             3,603,692     2,812,464        28.1
CGNX     COGNEX CORP                    950,126       741,614        28.1
CEDC     CENTRAL EURO DIS             2,252,608     1,758,873        28.1
STX      SEAGATE TECHNOLO            11,262,075     8,797,662        28.0
RXII     RXI PHARMACEUTIC             3,177,631     2,487,130        27.8
RPRX     REPROS THERAPEUT               812,622       636,177        27.7
RTEC     RUDOLPH TECHNOL                997,405       781,002        27.7
MDVN     MEDIVATION INC               2,196,579     1,724,346        27.4
ASCA     AMERISTAR CASINO               930,608       730,565        27.4
SRSL     SRS LABS INC                   713,814       562,875        26.8
SBCF     SEACOAST BANK/FL               678,295       534,879        26.8
TIBX     TIBCO SOFTWARE               9,464,757     7,473,703        26.6
BPAX     BIOSANTE PHARMA              8,181,076     6,465,886        26.5
CACC     CREDIT ACCEPTANC               319,449       252,793        26.4
SDTH     SHENGDATECH INC              1,130,437       898,860        25.8
ASEI     AMERICAN SCIENCE               261,042       207,717        25.7
CCIH     CHINACACHE-ADR                 604,397       483,726        24.9
ORCC     ONLINE RES CORP                689,731       555,815        24.1
TTWO     TAKE-TWO INTERAC            11,704,508     9,435,007        24.1
WCBO     WEST COAST BA/OR             2,570,962     2,074,132        24.0
GXDX     GENOPTIX INC                   869,063       703,293        23.6
HBAN     HUNTINGTON BANC             34,385,039    27,887,038        23.3
RFMD     RF MICRO DEVICES            22,622,923    18,366,615        23.2
ARQL     ARQULE INC                   1,637,025     1,329,770        23.1
RUSHA    RUSH ENTER-CL A              1,678,959     1,363,885        23.1
HFWA     HERITAGE FINL                  398,766       324,601        22.8
AVGO     AVAGO TECHNOLOGI             9,385,646     7,657,191        22.6
HAYN     HAYNES INTL INC                376,712       307,525        22.5
MRNA     MARINA BIOTECH I               828,294       677,206        22.3
SAFM     SANDERSON FARMS              3,825,617     3,129,928        22.2
CCIX     COLEMAN CABLE IN               256,236       209,704        22.2
KLIC     KULICKE & SOFFA              3,411,183     2,792,127        22.2
VVUS     VIVUS INC                   16,484,772    13,507,895        22.0
PMCS     PMC-SIERRA INC               4,972,163     4,078,073        21.9
ONCY     ONCOLYTICS BIO               2,114,443     1,734,392        21.9
CPSI     COMPUTER PROGRAM               258,479       212,067        21.9
SWKS     SKYWORKS SOLUTIO            14,901,813    12,227,346        21.9
QQQQ     POWERSH-QQQ                 91,181,838    74,976,091        21.6
NARA     NARA BANCORP INC             2,241,155     1,844,729        21.5
QCOR     QUESTCOR PHARM               9,788,506     8,064,212        21.4
SNDK     SANDISK CORP                 9,206,044     7,586,792        21.3
WPRT     WESTPORT INNOVAT             2,363,452     1,952,789        21.0
BSTC     BIOSPECIFICS TEC               287,176       237,392        21.0
BRNC     BRONCO DRILLING              1,108,365       917,421        20.8
MYGN     MYRIAD GENETICS              7,096,807     5,881,510        20.7
TSEM     TOWER SEMICONDCT             1,739,665     1,443,412        20.5
CPST     CAPSTONE TURBINE            35,156,486    29,187,662        20.4
MSPD     MINDSPEED TECHNO             2,474,562     2,055,755        20.4
ININ     INTERACTIVE INT                422,576       351,179        20.3
AFSI     AMTRUST FIN SERV             2,215,078     1,842,868        20.2
ENTR     ENTROPIC COMMUNI            28,269,981    23,529,185        20.1
BPFH     BOSTON PRIV FINL             6,874,567     5,724,140        20.1
CSTR     COINSTAR INC                 9,766,863     8,138,431        20.0
AIMC     ALTRA HOLDINGS I               585,970       488,706        19.9
GPRE     GREEN PLAINS REN             2,055,999     1,714,745        19.9
SPU      SKYPEOPLE FRUIT                640,594       534,282        19.9
MMSI     MERIT MEDICAL                  676,284       564,382        19.8
KNXA     KENEXA CORP                    747,473       624,799        19.6
SKYW     SKYWEST INC                  1,325,789     1,108,418        19.6
NVTL     NOVATEL WIRELESS             4,659,426     3,898,451        19.5
IVAN     IVANHOE ENERGY               6,347,541     5,327,002        19.2
VISN     VISIONCHINA -ADR               552,764       464,271        19.1
FAST     FASTENAL CO                 15,546,130    13,079,450        18.9
CBEH     CHINA INTEGRATED             3,723,855     3,135,423        18.8
NYMX     NYMOX PHARMACEUT             1,622,986     1,366,981        18.7
RDEN     ELIZABETH ARDEN                882,874       745,970        18.4
HIBB     HIBBETT SPORTS I             3,748,963     3,174,446        18.1
SNCR     SYNCHRONOSS TECH             1,562,237     1,324,945        17.9
RVBD     RIVERBED TECHNOL             8,798,902     7,463,640        17.9
SCEI     SINO CLEAN ENERG               485,197       411,715        17.8
QLGC     QLOGIC CORP                  7,473,195     6,341,815        17.8
SXCI     SXC HEALTH SOLUT               486,390       412,797        17.8
TSTY     TASTY BAKING CO                523,919       444,856        17.8
JSDA     JONES SODA CO                1,111,363       943,845        17.7
HTWR     HEARTWARE INTERN             1,251,738     1,064,382        17.6
RLOC     REACHLOCAL INC               1,616,940     1,375,752        17.5
LHCG     LHC GROUP INC                1,821,026     1,549,775        17.5
GAIN     GLADSTONE INVEST               415,193       353,969        17.3
ZION     ZIONS BANCORP               21,649,243    18,467,975        17.2
UTEK     ULTRATECH INC                  791,858       675,840        17.2
LCRY     LECROY CORP                    332,904       284,722        16.9
USAT     USA TECHNOLOGIES             1,058,137       906,094        16.8
SPRD     SPREADTRUM-ADR               2,325,415     1,991,326        16.8
WFSL     WASH FED                     3,308,732     2,833,756        16.8
EBAY     EBAY INC                    21,716,195    18,606,833        16.7
INFA     INFORMATICA CORP             6,493,151     5,564,917        16.7
WTFC     WINTRUST FINL                4,521,663     3,877,371        16.6
SNSSD    SUNESIS PHARMAC              1,101,467       944,614        16.6
ISTA     ISTA PHARMACEUTI               385,099       330,355        16.6
QCOM     QUALCOMM INC                35,205,360    30,215,168        16.5
LSTZA    LIBERTY STARZ A                857,659       736,798        16.4
INTC     INTEL CORP                  62,350,079    53,672,906        16.2
TFM      FRESH MARKET INC               988,685       851,499        16.1
RAVN     RAVEN INDUSTRIES               351,577       302,953        16.1
CBPO     CHINA BIOLOGIC P             1,417,950     1,221,867        16.0
ROSE     ROSETTA RESOURCE             4,444,522     3,831,090        16.0
FOSL     FOSSIL INC                   1,525,425     1,316,188        15.9
JAZZ     JAZZ PHARMACEUTI             2,427,311     2,094,591        15.9
EPIC     EPICOR SOFTWARE              1,224,313     1,057,149        15.8
PACB     PACIFIC BIOSCIEN             2,949,526     2,549,966        15.7
BWLD     BUFFALO WILD WIN             2,464,968     2,131,342        15.7
MRGE     MERGE HEALTHCARE             2,741,286     2,371,304        15.6
AVNR     AVANIR PHARM INC            20,968,094    18,157,951        15.5
UNFI     UNITED NATURAL               3,799,229     3,295,330        15.3
GIFI     GULF ISLAND FABR               302,863       262,777        15.3
AFFY     AFFYMAX INC                  2,217,432     1,924,177        15.2
SHLM     SCHULMAN (A)                 1,175,917     1,020,535        15.2
MSFT     MICROSOFT CORP              87,864,472    76,262,571        15.2
QGEN     QIAGEN NV                    7,001,048     6,077,373        15.2
UPI      UROPLASTY INC                  590,138       512,284        15.2
QLTY     QUALITY DISTRIBU               358,582       311,292        15.2
PNBC     PRINCETON NATL                 291,916       253,524        15.1
COHU     COHU INC                       537,328       466,944        15.1
SNMX     SENOMYX INC                  2,062,786     1,793,092        15.0
VCLK     VALUECLICK INC               9,037,304     7,862,035        14.9
OSIS     OSI SYSTEMS INC                566,711       493,028        14.9
SATS     ECHOSTAR CORP-A                610,488       531,159        14.9
TKLC     TEKELEC                      2,698,985     2,348,906        14.9
HOLX     HOLOGIC INC                  7,364,037     6,414,513        14.8
CSFL     CENTERSTATE BANK               845,349       736,439        14.8
FEIC     FEI COMPANY                  1,319,321     1,149,548        14.8
NTCT     NETSCOUT SYSTEMS             1,166,754     1,018,190        14.6
IBB      ISHARES-NDQ BIOT             8,005,001     6,991,044        14.5
ATMI     ATMI INC                       966,201       843,910        14.5
HCSG     HEALTHCARE SERVS             2,888,430     2,523,338        14.5
VRML     VERMILLION INC                 470,213       410,811        14.5
DISH     DISH NETWORK-A               7,411,578     6,475,343        14.5
VRNT     VERINT SYSTEMS                 390,435       341,197        14.4
SSRI     SILVER STANDARD              1,148,546     1,004,426        14.3
MENT     MENTOR GRAPHICS              4,718,826     4,127,292        14.3
MSCC     MICROSEMI CORP               2,530,477     2,213,457        14.3
GLBL     GLOBAL INDS LTD              4,093,746     3,581,963        14.3
HWKN     HAWKINS INC                    620,635       543,102        14.3
ZLCS     ZALICUS INC                  1,817,040     1,590,350        14.3
PATH     NUPATHE INC                    308,685       270,212        14.2

*-- Data includes ETF positions.

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

-0- Feb/25/2011 22:54 GMT

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