Largest Nasdaq Short Interest Percent Decreases as of May 31
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Jun 10, 2011
The following are the 200 largest short interest percent decreases on the Nasdaq Stock Market as of the May 31 settlement date. This list includes securities with a short position of at least 200,000 shares.
Ticker Symbol Company May 31 May 13 % Change ============================================================================= TXCC TRANSWITCH CORP 226,413 1,283,083 -82.4 EROC EAGLE ROCK ENERG 321,300 800,476 -59.9 DISCK DISCOVERY COMM-C 382,082 904,720 -57.8 SMT SMART TECHNOL-A 4,242,639 8,875,060 -52.2 MLNX MELLANOX TECHNOL 342,427 682,387 -49.8 GENE GENETIC TECH-ADR 221,526 432,188 -48.7 WIBC WILSHIRE BANCORP 1,895,348 3,626,329 -47.7 MERC MERCER INTERNATI 1,057,221 2,001,029 -47.2 LPLA LPL INVESTMENT H 461,362 833,750 -44.7 GLAD GLADSTONE CAP CO 820,698 1,483,042 -44.7 NDAQ NASDAQ OMX GROUP 3,364,329 5,423,928 -38.0 MIPS MIPS TECH INC 6,586,889 10,430,265 -36.8 THOR THORATEC CORP 4,627,073 7,081,158 -34.7 PARD PONIARD PHARMACE 1,397,240 2,099,341 -33.4 WMAR WEST MARINE INC 607,339 896,845 -32.3 ADSK AUTODESK INC 3,228,658 4,723,343 -31.6 ISIL INTERSIL CORP-A 6,027,810 8,781,324 -31.4 CYDE CYBERDEFENDER CO 304,766 436,037 -30.1 PRAN PRANA BIOTEC-ADR 844,739 1,193,078 -29.2 ORCL ORACLE CORP 23,135,547 32,376,148 -28.5 WIFI BOINGO WIRELESS 407,018 568,021 -28.3 NXPI NXP SEMICONDUCTO 1,471,085 2,047,294 -28.1 RDEA ARDEA BIOSCIENCE 1,702,029 2,361,223 -27.9 CLDX CELLDEX THERAPEU 3,623,781 5,022,807 -27.9 CCIH CHINACACHE-ADR 746,584 1,012,171 -26.2 CPKI CALIF PIZZA KITC 1,406,294 1,901,535 -26.0 GILD GILEAD SCIENCES 11,434,040 15,203,773 -24.8 SVVS SAVVIS INC 2,399,694 3,179,417 -24.5 SKBI SKYSTAR BIO-PHAR 212,679 281,342 -24.4 OPXT OPNEXT INC 1,961,943 2,593,562 -24.4 HBAN HUNTINGTON BANC 20,558,089 26,917,777 -23.6 JOYG JOY GLOBAL INC 2,795,839 3,645,833 -23.3 CYOU CHANGYOU.COM-ADR 840,291 1,082,261 -22.4 MSFT MICROSOFT CORP 52,076,715 67,023,794 -22.3 ADBE ADOBE SYS INC 14,373,323 18,268,740 -21.3 ALLT ALLOT COMMUNICAT 368,310 467,726 -21.3 SXCI SXC HEALTH SOLUT 433,709 550,522 -21.2 AMZN AMAZON.COM INC 8,026,488 10,163,446 -21.0 YONG YONGYE INTERNATI 4,932,090 6,235,181 -20.9 AFFY AFFYMAX INC 1,646,932 2,073,171 -20.6 SBGI SINCLAIR BROAD-A 2,882,503 3,609,936 -20.2 CHKP CHECK POINT SOFT 3,373,552 4,207,370 -19.8 CPRT COPART INC 1,969,468 2,450,329 -19.6 CMCSA COMCAST CORP-A 32,807,514 40,510,649 -19.0 ARLP ALLIANCE RESOURC 515,875 636,889 -19.0 APKT ACME PACKET INC 4,479,102 5,520,690 -18.9 LSTZA LIBERTY STARZ A 241,331 296,714 -18.7 ARCC ARES CAPITAL COR 4,281,577 5,262,548 -18.6 IBKR INTERACTIVE BROK 642,320 788,819 -18.6 TGA TRANSGLOBE ENERG 459,926 563,104 -18.3 EZCH EZCHIP SEMICONDU 413,993 503,027 -17.7 KONG KONGZHONG-ADR 404,528 489,638 -17.4 LUFK LUFKIN INDS 1,642,851 1,983,706 -17.2 SWKS SKYWORKS SOLUTIO 8,121,252 9,795,801 -17.1 TRLG TRUE RELIGION AP 1,432,286 1,726,402 -17.0 CEPH CEPHALON INC 8,749,977 10,513,896 -16.8 ALVR ALVARION LTD 471,882 566,314 -16.7 DISH DISH NETWORK-A 3,449,342 4,130,844 -16.5 NSPH NANOSPHERE INC 2,043,959 2,443,299 -16.3 CENX CENTURY ALUMINUM 4,312,391 5,152,455 -16.3 VELT VELTI PLC 439,144 524,663 -16.3 GLDD GREAT LAKES DRED 3,007,559 3,591,953 -16.3 RGNC REGENCY ENERGY P 790,537 940,534 -15.9 FWLT FOSTER WHEELER 4,268,593 5,076,239 -15.9 LEAP LEAP WIRELESS 6,394,589 7,598,602 -15.8 ACWX ISHARES MSCI ACW 239,884 283,809 -15.5 CPWM COST PLUS INC/CA 1,817,922 2,150,725 -15.5 TWTC TW TELECOM INC 5,917,437 6,984,981 -15.3 ACOR ACORDA THERAPEUT 5,354,322 6,318,925 -15.3 ENOC ENERNOC INC 3,761,098 4,431,303 -15.1 COLM COLUMBIA SPORTSW 834,955 981,643 -14.9 SUBK SUFFOLK BANCORP 576,196 675,693 -14.7 EBAY EBAY INC 11,858,029 13,904,656 -14.7 XTEX CROSSTEX ENERGY 226,335 265,298 -14.7 BIOF BIOFUEL ENERGY C 1,293,294 1,515,194 -14.6 ZGNX ZOGENIX INC 245,290 287,268 -14.6 AGEN AGENUS INC 1,645,522 1,922,420 -14.4 SNDA SHANDA INTER-ADR 724,013 844,844 -14.3 TSON TRANS1 INC 843,328 982,612 -14.2 NTAP NETAPP INC 17,686,344 20,591,508 -14.1 GOLD RANDGOLD RES-ADR 674,242 783,825 -14.0 EXFO EXFO INC 495,499 574,406 -13.7 VLCM VOLCOM INC 758,534 877,843 -13.6 CBLI CLEVELAND BIOLAB 2,304,875 2,664,777 -13.5 MBLX METABOLIX INC 6,259,950 7,224,916 -13.4 NTGR NETGEAR INC 1,387,958 1,601,771 -13.3 PDCO PATTERSON COS 4,053,291 4,669,655 -13.2 INFI INFINITY PHARMAC 951,687 1,096,071 -13.2 SOMX SOMAXON PHARMACE 8,055,907 9,264,738 -13.0 BCSI BLUE COAT SYSTEM 2,213,234 2,542,925 -13.0 ROIAK RADIO ONE-CL D 2,592,034 2,973,804 -12.8 CTSH COGNIZANT TECH-A 4,015,077 4,601,100 -12.7 ADP AUTOMATIC DATA 5,349,326 6,122,790 -12.6 MPET MAGELLAN PETRO 283,745 324,551 -12.6 TRNX TORNIER NV 511,746 585,040 -12.5 ERIC ERICSSON LM-ADR 10,401,179 11,888,399 -12.5 PWRD PERFECT WORL-ADR 791,371 902,583 -12.3 NWS NEWS CORP-B 4,277,310 4,873,729 -12.2 CHSI CATALYST HEALTH 2,132,406 2,428,422 -12.2 GOOG GOOGLE INC-CL A 3,801,794 4,327,698 -12.2 NIHD NII HOLDING INC 3,149,873 3,583,824 -12.1 UPI UROPLASTY INC 556,053 632,569 -12.1 RIMM RESEARCH IN MOTI 25,549,134 29,051,333 -12.1 OXPS OPTIONSXPRESS HO 2,774,899 3,150,164 -11.9 TQNT TRIQUINT SEMICON 10,482,332 11,862,957 -11.6 MXIM MAXIM INTEGRATED 7,221,092 8,166,794 -11.6 WFM WHOLE FOODS MKT 5,629,101 6,361,344 -11.5 UTIW UTI WORLDWIDE 2,548,781 2,877,807 -11.4 STRA STRAYER EDUCATIO 2,699,815 3,042,324 -11.3 FLIR FLIR SYSTEMS 7,905,757 8,904,771 -11.2 RDWR RADWARE LTD 282,073 317,691 -11.2 MOLX MOLEX INC 8,636,247 9,718,670 -11.1 SLAB SILICON LABS 3,405,809 3,824,977 -11.0 CETV CENTRAL EURO M-A 2,027,838 2,277,067 -10.9 POZN POZEN INC 1,572,287 1,764,042 -10.9 OVRL OVERLAND STORAGE 278,330 312,165 -10.8 AUTC AUTOCHINA INTERN 384,297 430,587 -10.8 ACOM ANCESTRY.COM INC 5,444,679 6,097,000 -10.7 JKHY JACK HENRY 2,845,255 3,177,691 -10.5 CENT CENTRAL GARDEN 201,057 224,375 -10.4 TFSL TFS FINANCIAL CO 3,314,048 3,695,702 -10.3 EQIX EQUINIX INC 5,332,733 5,932,059 -10.1 UBFO UNITED SECURI/CA 243,162 270,122 -10.0 PTEN PATTERSON-UTI 7,981,301 8,831,904 -9.6 CORE CORE-MARK HOLDIN 670,148 741,450 -9.6 FNBN FNB UNITED CORP 580,814 642,283 -9.6 QUIK QUICKLOGIC CORP 2,687,721 2,970,242 -9.5 BBBY BED BATH &BEYOND 4,890,482 5,387,583 -9.2 JAZZ JAZZ PHARMACEUTI 2,261,225 2,486,974 -9.1 LCRY LECROY CORP 359,148 394,920 -9.1 ARMH ARM HOLDINGS-ADR 8,775,550 9,640,918 -9.0 SSRI SILVER STANDARD 1,020,705 1,118,116 -8.7 QSFT QUEST SOFTWARE 3,594,364 3,932,234 -8.6 WSTL WESTELL TECH-A 256,113 280,106 -8.6 OREX OREXIGEN THERAPE 5,655,086 6,184,173 -8.6 WYNN WYNN RESORTS LTD 3,027,710 3,310,706 -8.5 ULTA ULTA SALON COSME 3,926,365 4,288,795 -8.5 ONXX ONYX PHARM 5,231,000 5,709,603 -8.4 LEDS SEMILEDS CORP/TW 466,162 508,356 -8.3 VMED VIRGIN MEDIA INC 22,834,091 24,893,685 -8.3 ADTN ADTRAN INC 4,330,141 4,720,394 -8.3 NBIX NEUROCRINE BIOSC 2,063,609 2,248,467 -8.2 MAT MATTEL INC 4,725,096 5,144,963 -8.2 QCOR QUESTCOR PHARM 7,453,636 8,109,614 -8.1 SCEI SINO CLEAN ENERG 1,343,127 1,459,437 -8.0 HIMX HIMAX TECHNO-ADR 305,431 331,521 -7.9 SATS ECHOSTAR CORP-A 589,402 639,373 -7.8 TELK TELIK INC 335,499 363,927 -7.8 VCLK VALUECLICK INC 7,464,551 8,094,556 -7.8 CTRN CITI TRENDS INC 935,466 1,014,239 -7.8 ONCY ONCOLYTICS BIO 3,300,469 3,575,810 -7.7 VECO VEECO INSTRUMENT 10,898,800 11,805,206 -7.7 BIIB BIOGEN IDEC INC 3,315,009 3,589,225 -7.6 MTSC MTS SYSTEMS CORP 519,714 562,580 -7.6 VALV SHENGKAI INNOVAT 482,450 522,072 -7.6 WWON WESTWOOD ONE INC 237,864 257,322 -7.6 SPIL SILICONWARE-ADR 6,256,696 6,768,011 -7.6 QQQ POWERSH-QQQ 85,030,236 91,903,368 -7.5 ALTH ALLOS THERAPEUT 7,044,148 7,610,984 -7.4 CREG CHINA RECYCLING 200,502 216,573 -7.4 ELNK EARTHLINK INC 10,294,257 11,112,692 -7.4 NANO NANOMETRICS INC 1,014,017 1,094,268 -7.3 ROYL ROYALE ENERGY 1,447,505 1,561,859 -7.3 PBCT PEOPLE'S UNITED 19,112,818 20,612,381 -7.3 FOSL FOSSIL INC 1,237,761 1,334,827 -7.3 CIEN CIENA CORP 21,577,139 23,242,614 -7.2 APWR A-POWER ENERGY G 3,308,560 3,563,258 -7.1 IDCC INTERDIGITAL INC 6,104,082 6,571,310 -7.1 ACGL ARCH CAPITAL GRP 5,272,347 5,675,548 -7.1 SNTA SYNTA PHARMACEUT 2,225,960 2,395,944 -7.1 PFCB PF CHANG'S CHINA 4,397,683 4,731,853 -7.1 ACAS AMERICAN CAPITAL 14,810,118 15,896,783 -6.8 TPCG TPC GROUP INC 286,139 307,095 -6.8 AAPL APPLE INC 10,872,042 11,666,721 -6.8 KOOL THERMOGENESIS 335,223 359,508 -6.8 FFNW FIRST FINANCIAL 367,210 393,805 -6.8 MDSO MEDIDATA SOLUTIO 1,635,295 1,752,863 -6.7 MCHP MICROCHIP TECH 15,126,046 16,207,042 -6.7 SYNA SYNAPTICS INC 9,426,749 10,091,678 -6.6 HWKN HAWKINS INC 847,082 906,771 -6.6 BIOS BIOSCRIP INC 2,568,307 2,746,555 -6.5 XOMA XOMA LTD 2,781,673 2,974,130 -6.5 VRTU VIRTUSA CORP 604,052 643,982 -6.2 SIVB SVB FINANCIAL GR 4,300,370 4,584,044 -6.2 ANDS ANADYS PHARMACEU 634,659 676,149 -6.1 LPHI LIFE PARTNERS HO 3,367,501 3,586,849 -6.1 AVNR AVANIR PHARM INC 30,890,181 32,890,324 -6.1 GCVRZ SANOFI CVR 3,793,797 4,035,672 -6.0 PCAR PACCAR INC 7,835,083 8,333,741 -6.0 VTSS VITESSE SEMICOND 1,398,987 1,487,741 -6.0 PAAS PAN AMER SILVER 1,898,781 2,016,817 -5.9 IMGN IMMUNOGEN INC 6,881,754 7,309,096 -5.8 HCBK HUDSON CITY BNCP 11,255,227 11,945,513 -5.8 USAT USA TECHNOLOGIES 2,088,138 2,214,724 -5.7 SIAL SIGMA-ALDRICH 3,095,458 3,281,936 -5.7 VVUS VIVUS INC 17,608,659 18,665,816 -5.7 WBMD WEBMD HEALTH COR 3,804,421 4,032,388 -5.7 QNST QUINSTREET INC 5,544,663 5,875,185 -5.6 ZSTN ZST DIGITAL NETW 759,699 804,287 -5.5 YRCW YRC WORLDWIDE IN 9,817,154 10,385,267 -5.5
*-- Data includes ETF positions.
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