Largest Nasdaq Short Interest Percent Decreases as of Jan. 31

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



Ticker                                                                     
Symbol   Company                        Jan. 31       Jan. 14      % Change   
=============================================================================
ATHR     ATHEROS COMMUNIC             1,704,979     4,571,906       -62.7
STKL     SUNOPTA INC                    217,615       475,150       -54.2
OXPS     OPTIONSXPRESS HO             2,791,816     5,170,869       -46.0
CORT     CORCEPT THERA                1,486,230     2,694,561       -44.8
VRSK     VERISK ANALYTI-A               378,249       676,492       -44.1
SIFY     SIFY TECHNOL-ADR               511,132       888,798       -42.5
WEBM     WEBMEDIABRANDS                 580,117       959,457       -39.5
NVDA     NVIDIA CORP                 24,419,222    37,554,933       -35.0
OXGN     OXIGENE INC                  1,770,018     2,702,122       -34.5
HSFT     HISOFT TECHN-ADR               442,645       674,476       -34.4
CPRT     COPART INC                   6,079,543     9,233,643       -34.2
GFRE     GULF RESOURCES I             2,195,266     3,324,390       -34.0
EZCH     EZCHIP SEMICONDU               536,866       812,200       -33.9
CHTR     CHARTER COM-A                  355,350       535,971       -33.7
AGNC     AMERICAN CAPITAL             2,166,172     3,246,664       -33.3
UTSI     UTSTARCOM INC                4,247,711     6,364,799       -33.3
SXCI     SXC HEALTH SOLUT               412,797       612,970       -32.7
VSEA     VARIAN SEMI EQUI             1,209,449     1,790,058       -32.4
IGTE     IGATE CORP                   1,120,124     1,644,885       -31.9
SVA      SINOVAC BIOTECH              1,029,010     1,505,798       -31.7
PLCM     POLYCOM INC                  3,229,618     4,705,322       -31.4
AMRN     AMARIN CORP -ADR             3,661,039     5,262,799       -30.4
PRGO     PERRIGO CO                   2,474,007     3,530,773       -29.9
GAGA     LE GAGA HLDG-ADR               365,912       521,483       -29.8
SSRI     SILVER STANDARD              1,004,426     1,414,074       -29.0
VRSN     VERISIGN INC                 8,196,142    11,471,692       -28.6
ZOOM     ZOOM TECHNOLOGIE               441,930       616,098       -28.3
DDIC     DDI CORP                       333,347       461,369       -27.7
VISN     VISIONCHINA -ADR               464,271       638,283       -27.3
PAAS     PAN AMER SILVER              2,147,188     2,933,115       -26.8
MRVL     MARVELL TECH GRP             7,219,887     9,727,229       -25.8
AEIS     ADV ENERGY INDS              1,605,774     2,161,269       -25.7
ITMN     INTERMUNE INC                3,685,512     4,957,997       -25.7
PSDV     PSIVIDA CORP                   205,233       274,778       -25.3
SNDK     SANDISK CORP                 7,586,792    10,113,357       -25.0
INTU     INTUIT INC                   3,097,419     4,117,971       -24.8
BIDU     BAIDU INC-SP ADR             6,703,104     8,889,621       -24.6
REDF     REDIFF.COM I-ADR               756,149       996,116       -24.1
CYCC     CYCLACEL PHARMAC               497,600       655,140       -24.0
LVLT     LEVEL 3 COMM INC            87,448,215   114,860,220       -23.9
NDAQ     NASDAQ OMX GROUP             5,968,234     7,832,540       -23.8
ADTN     ADTRAN INC                   7,269,456     9,505,198       -23.5
LPSN     LIVEPERSON INC               1,333,137     1,741,806       -23.5
JOYG     JOY GLOBAL INC               2,313,776     3,021,733       -23.4
CRZO     CARRIZO OIL&GAS              3,233,542     4,206,829       -23.1
CTSH     COGNIZANT TECH-A             4,088,406     5,306,605       -23.0
AMZN     AMAZON.COM INC               6,672,119     8,657,467       -22.9
BUCY     BUCYRUS INTERNAT               930,774     1,205,465       -22.8
BJGP     BMP SUNSTONE COR               966,581     1,247,794       -22.5
IDTI     INTEGRAT DEVICE              9,964,633    12,807,269       -22.2
ULTR     ULTRAPETROL                    755,093       966,981       -21.9
APOL     APOLLO GROUP-A               6,730,311     8,615,336       -21.9
CMCSK    COMCAST CORP-SPL            13,945,828    17,834,719       -21.8
SNDA     SHANDA INTER-ADR             1,881,419     2,403,375       -21.7
JDSU     JDS UNIPHASE                 5,947,955     7,580,962       -21.5
WTNY     WHITNEY HLDG                 5,277,390     6,722,989       -21.5
CY       CYPRESS SEMICON              6,870,380     8,687,764       -20.9
HOTT     HOT TOPIC INC                1,322,858     1,671,949       -20.9
HIMX     HIMAX TECHNO-ADR               225,620       284,205       -20.6
CCMP     CABOT MICROELEC              2,307,754     2,902,735       -20.5
MERC     MERCER INTERNATI             1,543,861     1,938,616       -20.4
SCHN     SCHNITZER STEEL                946,222     1,187,499       -20.3
CIEN     CIENA CORP                  24,114,137    30,248,377       -20.3
MLNX     MELLANOX TECHNOL               556,804       698,366       -20.3
MICC     MILLICOM INTL                1,020,502     1,275,425       -20.0
FEIC     FEI COMPANY                  1,149,548     1,435,257       -19.9
MRNA     MARINA BIOTECH I               677,206       843,543       -19.7
HAUP     HAUPPAUGE DIGITA               401,791       500,010       -19.6
PMCS     PMC-SIERRA INC               4,078,073     5,070,202       -19.6
MXIM     MAXIM INTEGRATED             8,593,102    10,676,039       -19.5
ASCA     AMERISTAR CASINO               730,565       903,585       -19.1
ALXN     ALEXION PHARM                3,918,369     4,846,218       -19.1
MOLXA    MOLEX INC -A                   470,207       581,158       -19.1
SIGM     SIGMA DESIGNS                2,188,730     2,703,551       -19.0
OPEN     OPENTABLE INC                4,364,343     5,379,064       -18.9
LINC     LINCOLN EDUCATIO             1,206,732     1,485,825       -18.8
MATK     MARTEK BIOSCIENC             2,110,977     2,588,878       -18.5
SAIA     SAIA INC                       510,434       625,344       -18.4
NTGR     NETGEAR INC                  1,652,686     2,022,691       -18.3
SOHU     SOHU.COM INC                 2,080,055     2,544,629       -18.3
ROYL     ROYALE ENERGY                  275,668       336,345       -18.0
CBOE     CBOE HOLDINGS IN             2,775,377     3,384,789       -18.0
APCVZ    FRESENIUS-CVR                  614,368       747,517       -17.8
WMGI     WRIGHT MED GROUP             1,817,075     2,210,072       -17.8
CNSL     CONSOLIDATED COM               481,931       583,503       -17.4
VTAL     VITAL IMAGES INC               289,837       350,284       -17.3
FNSR     FINISAR CORP                 7,541,028     9,109,721       -17.2
LRAD     LRAD CORP                      215,772       260,615       -17.2
CRUS     CIRRUS LOGIC INC             6,266,625     7,553,827       -17.0
WYNN     WYNN RESORTS LTD             3,639,526     4,380,273       -16.9
IBKR     INTERACTIVE BROK             1,618,529     1,947,885       -16.9
PPDI     PHARM PROD DEVEL             2,007,925     2,415,706       -16.9
HGSI     HUMAN GENOME SCI            12,476,730    14,963,271       -16.6
MANH     MANHATTAN ASSOC              1,004,119     1,203,121       -16.5
TIER     TIER TECH INC                  329,247       393,038       -16.2
CASB     CASCADE FINL CRP             1,049,375     1,250,134       -16.1
CHLN     CHINA HOUSING &                916,974     1,091,583       -16.0
TLCR     TALECRIS BIOTHER             1,831,406     2,172,387       -15.7
HALL     HALLMARK FINL                  295,191       349,875       -15.6
SMRT     STEIN MART INC                 543,051       643,628       -15.6
GXDX     GENOPTIX INC                   703,293       833,504       -15.6
WCRX     WARNER CHILCOT-A             3,636,509     4,306,544       -15.6
CVVT     CHINA VALVES TEC             2,887,321     3,418,720       -15.5
NVTL     NOVATEL WIRELESS             3,898,451     4,603,300       -15.3
SNCR     SYNCHRONOSS TECH             1,324,945     1,562,874       -15.2
MYRX     MYREXIS INC                    234,388       276,475       -15.2
HURN     HURON CONSULTING               615,593       725,885       -15.2
ANSS     ANSYS INC                    2,011,547     2,371,840       -15.2
ANAC     ANACOR PHARMACEU               293,694       345,110       -14.9
ALTR     ALTERA CORP                 17,216,345    20,211,576       -14.8
QSFT     QUEST SOFTWARE               2,029,636     2,382,565       -14.8
SYMC     SYMANTEC CORP               12,365,722    14,515,518       -14.8
LPLA     LPL INVESTMENT H               244,045       286,435       -14.8
STRA     STRAYER EDUCATIO             2,198,933     2,578,742       -14.7
SWKS     SKYWORKS SOLUTIO            12,227,346    14,335,363       -14.7
BRCD     BROCADE COMM SYS            12,798,501    14,990,432       -14.6
SNBC     SUN BANCORP-NJ                 238,034       278,595       -14.6
BRCM     BROADCOM CORP-A              7,114,491     8,325,513       -14.5
TNDM     NEUTRAL TANDEM I             2,382,916     2,787,490       -14.5
PTEN     PATTERSON-UTI               14,614,592    17,068,606       -14.4
MHGC     MORGANS HOTEL GR             1,558,018     1,818,977       -14.3
INSP     INFOSPACE INC                  799,349       931,523       -14.2
ARLP     ALLIANCE RESOURC               294,872       343,604       -14.2
XPRT     LECG CORP                      695,138       808,358       -14.0
TQNT     TRIQUINT SEMICON             8,333,825     9,686,346       -14.0
FITB     FIFTH THIRD BANC            21,218,366    24,656,437       -13.9
CDII     CHINA DIRECT IND               257,074       298,519       -13.9
SHOO     STEVEN MADDEN                1,694,334     1,964,982       -13.8
INFY     INFOSYS TECH-ADR             3,544,463     4,109,628       -13.8
MELI     MERCADOLIBRE INC             3,206,508     3,708,050       -13.5
APOG     APOGEE ENTERPR                 851,544       983,238       -13.4
RSTI     ROFIN-SINAR TECH               815,339       941,128       -13.4
NTCT     NETSCOUT SYSTEMS             1,018,190     1,173,368       -13.2
FAST     FASTENAL CO                 13,079,450    15,066,802       -13.2
FCEL     FUELCELL ENERGY              7,339,703     8,447,895       -13.1
TFM      FRESH MARKET INC               851,499       979,930       -13.1
CTCM     CTC MEDIA INC                1,044,637     1,201,683       -13.1
OFIX     ORTHOFIX INTL                  542,634       623,469       -13.0
LEAP     LEAP WIRELESS                5,338,830     6,130,565       -12.9
DTSI     DTS INC                      1,384,476     1,589,756       -12.9
AVEO     AVEO PHARMACEUTI               635,227       728,777       -12.8
GIGM     GIGAMEDIA LTD                  664,868       762,083       -12.8
CYDE     CYBERDEFENDER CO               547,339       627,325       -12.8
FRME     FIRST MERCHANTS                566,936       649,080       -12.7
CHRW     CH ROBINSON                 10,844,531    12,414,443       -12.6
MDCI     MED ACTION INDS                363,837       416,411       -12.6
AIMC     ALTRA HOLDINGS I               488,706       558,815       -12.5
ODFL     OLD DOMINION FRT             1,893,113     2,164,589       -12.5
RIMM     RESEARCH IN MOTI            25,091,926    28,670,528       -12.5
CYBX     CYBERONICS                   1,655,787     1,891,440       -12.5
ZIGO     ZYGO CORP                      339,652       387,989       -12.5
ATPG     ATP OIL & GAS               15,699,305    17,871,416       -12.2
VRML     VERMILLION INC                 410,811       467,308       -12.1
ARIA     ARIAD PHARM                  9,477,955    10,776,904       -12.1
BFIN     BANKFINANCIAL                  409,965       466,065       -12.0
KLIC     KULICKE & SOFFA              2,792,127     3,173,973       -12.0
CTIC     CELL THERAPEUTIC            50,845,829    57,793,968       -12.0
STLD     STEEL DYNAMICS               5,894,741     6,694,235       -11.9
CRIC     CHINA REAL-ADR               3,207,490     3,642,151       -11.9
POWI     POWER INTEGRATIO             3,003,068     3,404,658       -11.8
BIRT     ACTUATE CORP                   928,751     1,052,183       -11.7
APKT     ACME PACKET INC              2,756,685     3,121,657       -11.7
ACOR     ACORDA THERAPEUT             6,263,419     7,082,577       -11.6
STLY     STANLEY FURNITUR               243,769       275,485       -11.5
ININ     INTERACTIVE INT                351,179       396,678       -11.5
SPNC     SPECTRANETICS                  900,714     1,017,380       -11.5
NIHD     NII HOLDING INC              2,844,962     3,212,817       -11.4
DISH     DISH NETWORK-A               6,475,343     7,306,704       -11.4
CELG     CELGENE CORP                 6,204,653     6,999,765       -11.4
CATY     CATHAY GENERAL B             4,694,739     5,294,533       -11.3
QLIK     QLIK TECHNOLOGIE             1,182,583     1,333,648       -11.3
ASGN     ON ASSIGNMENT                  718,693       810,120       -11.3
ARII     AMERICAN RAILCAR               307,929       346,842       -11.2
VPHM     VIROPHARMA INC               5,312,905     5,975,334       -11.1
PRTS     US AUTO PARTS NE               923,021     1,037,764       -11.1
POOL     POOL CORP                    3,912,013     4,397,060       -11.0
TSEM     TOWER SEMICONDCT             1,443,412     1,621,945       -11.0
ZN       ZION OIL & GAS                 559,763       628,738       -11.0
EXPD     EXPEDITORS INTL              3,375,926     3,790,847       -10.9
BRKR     BRUKER CORP                  2,716,066     3,046,695       -10.9
CENT     CENTRAL GARDEN                 228,745       256,510       -10.8
PRFT     PERFICIENT INC                 569,394       638,486       -10.8
INCY     INCYTE CORP                 13,857,184    15,514,282       -10.7
ICOG     ICO GLOBAL C-NEW             2,473,694     2,766,089       -10.6
EBSB     MERIDIAN INTERST               218,642       244,484       -10.6
MTSC     MTS SYSTEMS CORP               749,047       837,386       -10.5
SODA     SODASTREAM INTER             1,832,973     2,048,475       -10.5
CAVM     CAVIUM NETWORKS              7,362,841     8,226,144       -10.5
CYMI     CYMER INC                    2,134,782     2,384,192       -10.5
BIIB     BIOGEN IDEC INC              7,437,680     8,296,364       -10.4
MSG      MADISON SQUARE-A               339,351       378,511       -10.3
SIAL     SIGMA-ALDRICH                3,807,489     4,240,109       -10.2
CSIQ     CANADIAN SOLAR I             3,099,951     3,451,423       -10.2
AMRI     ALBANY MOLECULAR               762,865       848,906       -10.1
AKAM     AKAMAI TECHNOLOG             5,755,121     6,403,912       -10.1
LAMR     LAMAR ADVERTIS-A             4,401,478     4,897,595       -10.1
NTES     NETEASE.COM-ADR              2,141,026     2,379,715       -10.0
OSIS     OSI SYSTEMS INC                493,028       547,693       -10.0
ROSE     ROSETTA RESOURCE             3,831,090     4,253,312        -9.9
MYRG     MYR GROUP INC/DE               561,444       622,881        -9.9

*-- Data includes ETF positions.

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

-0- Feb/09/2011 23:59 GMT

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