Largest Nasdaq Short Interest Changes as of May 31

The following are the 50 largest short interest changes on the Nasdaq Stock Market as of the May 31 settlement date. The table ranks the top 50 positive changes followed by the top negative changes.

TOP 50 INCREASES


Ticker                                                                   
Symbol   Company                    May 31         May 13          Change    
=============================================================================
ESRX     EXPRESS SCRIPT            40,403,017     11,009,828     29,393,189
SIRI     SIRIUS XM RADIO          317,089,214    289,943,915     27,145,299
LVLT     LEVEL 3 COMM INC         194,621,347    172,281,735     22,339,612
CMCSK    COMCAST CORP-SPL          30,740,237     15,693,714     15,046,523
MU       MICRON TECH               57,270,985     47,635,762      9,635,223
CSCO     CISCO SYSTEMS             59,990,081     52,246,464      7,743,617
INTC     INTEL CORP               103,085,236     97,029,999      6,055,237
WIN      WINDSTREAM CORP           23,171,092     17,333,278      5,837,814
NVDA     NVIDIA CORP               31,940,453     26,254,688      5,685,765
SOLR     GT SOLAR INTERNA          14,786,239     10,243,405      4,542,834
SONS     SONUS NETWORKS            13,852,649      9,432,863      4,419,786
PDLI     PDL BIOPHARMA IN          19,381,675     15,056,698      4,324,977
BPOP     POPULAR INC                9,019,988      4,772,374      4,247,614
MYL      MYLAN INC                 33,916,478     30,053,473      3,863,005
FSLR     FIRST SOLAR INC           21,237,997     17,496,566      3,741,431
FLEX     FLEXTRONICS INTL          15,949,562     12,824,775      3,124,787
ATVI     ACTIVISION BLIZZ          17,428,367     14,386,987      3,041,380
MDRX     ALLSCRIPTS HEALT           6,553,667      3,524,316      3,029,351
SPLS     STAPLES INC               24,557,259     21,553,911      3,003,348
LBTYA    LIBERTY GLOBAL-A          19,316,628     16,347,315      2,969,313
ASIA     ASIAINFO-LINKAGE          10,373,819      7,412,397      2,961,422
EXPE     EXPEDIA INC               22,645,110     19,849,194      2,795,916
PNSN     PENSON WORLDWIDE           5,578,887      3,069,690      2,509,197
KLAC     KLA-TENCOR CORP            7,877,212      5,464,539      2,412,673
SVNT     SAVIENT PHARMACE          21,418,626     19,059,459      2,359,167
SFSF     SUCCESSFACTORS I          11,878,835      9,589,095      2,289,740
BPAX     BIOSANTE PHARMA           12,709,757     10,474,359      2,235,398
ICON     ICONIX BRAND GRO           9,705,181      7,484,445      2,220,736
AONE     A123 SYSTEMS INC          20,147,454     17,968,212      2,179,242
LBTYK    LIBERTY GLOBAL-C           2,971,093        799,459      2,171,634
HSFT     HISOFT TECHN-ADR           3,224,334      1,171,029      2,053,305
UTSI     UTSTARCOM INC              7,701,836      5,680,216      2,021,620
AMGN     AMGEN INC                 20,437,690     18,558,744      1,878,946
SYMC     SYMANTEC CORP              9,059,292      7,252,226      1,807,066
SPWRB    SUNPOWER CORP-B            5,812,449      4,006,465      1,805,984
BEXP     BRIGHAM EXPLOR             8,980,224      7,208,577      1,771,647
AINV     APOLLO INV CORP            8,367,635      6,618,176      1,749,459
CPST     CAPSTONE TURBINE          42,560,237     40,845,695      1,714,542
LIFE     LIFE TECHNOLOGIE           5,528,909      3,814,838      1,714,071
SAPE     SAPIENT CORP               8,167,303      6,464,627      1,702,676
CRBC     CITIZENS REPUBLI          16,778,934     15,090,537      1,688,397
PMCS     PMC-SIERRA INC             5,411,123      3,730,116      1,681,007
TLAB     TELLABS INC               23,889,874     22,223,165      1,666,709
MRVL     MARVELL TECH GRP          10,650,530      8,994,855      1,655,675
VRSN     VERISIGN INC              13,116,555     11,474,557      1,641,998
GLBL     GLOBAL INDS LTD            7,667,093      6,031,876      1,635,217
CINF     CINCINNATI FIN            12,031,523     10,406,082      1,625,441
HBHC     HANCOCK HLDG CO            6,907,230      5,288,991      1,618,239
URBN     URBAN OUTFITTER           17,575,383     15,969,867      1,605,516
LWSN     LAWSON SOFTWARE            5,753,044      4,148,979      1,604,065

TOP 50 DECREASES


Ticker                                                                   
Symbol   Company                    May 31         May 13          Change    
=============================================================================
MSFT     MICROSOFT CORP            52,076,715     67,023,794    -14,947,079
ORCL     ORACLE CORP               23,135,547     32,376,148     -9,240,601
CMCSA    COMCAST CORP-A            32,807,514     40,510,649     -7,703,135
QQQ      POWERSH-QQQ               85,030,236     91,903,368     -6,873,132
HBAN     HUNTINGTON BANC           20,558,089     26,917,777     -6,359,688
SMT      SMART TECHNOL-A            4,242,639      8,875,060     -4,632,421
ADBE     ADOBE SYS INC             14,373,323     18,268,740     -3,895,417
MIPS     MIPS TECH INC              6,586,889     10,430,265     -3,843,376
GILD     GILEAD SCIENCES           11,434,040     15,203,773     -3,769,733
RIMM     RESEARCH IN MOTI          25,549,134     29,051,333     -3,502,199
NTAP     NETAPP INC                17,686,344     20,591,508     -2,905,164
ISIL     INTERSIL CORP-A            6,027,810      8,781,324     -2,753,514
THOR     THORATEC CORP              4,627,073      7,081,158     -2,454,085
AMZN     AMAZON.COM INC             8,026,488     10,163,446     -2,136,958
NDAQ     NASDAQ OMX GROUP           3,364,329      5,423,928     -2,059,599
VMED     VIRGIN MEDIA INC          22,834,091     24,893,685     -2,059,594
EBAY     EBAY INC                  11,858,029     13,904,656     -2,046,627
AVNR     AVANIR PHARM INC          30,890,181     32,890,324     -2,000,143
CEPH     CEPHALON INC               8,749,977     10,513,896     -1,763,919
WIBC     WILSHIRE BANCORP           1,895,348      3,626,329     -1,730,981
ENTR     ENTROPIC COMMUNI          30,224,660     31,934,792     -1,710,132
SWKS     SKYWORKS SOLUTIO           8,121,252      9,795,801     -1,674,549
CIEN     CIENA CORP                21,577,139     23,242,614     -1,665,475
PBCT     PEOPLE'S UNITED           19,112,818     20,612,381     -1,499,563
ADSK     AUTODESK INC               3,228,658      4,723,343     -1,494,685
ERIC     ERICSSON LM-ADR           10,401,179     11,888,399     -1,487,220
CLDX     CELLDEX THERAPEU           3,623,781      5,022,807     -1,399,026
TQNT     TRIQUINT SEMICON          10,482,332     11,862,957     -1,380,625
MNKD     MANNKIND CORP             23,481,787     24,812,982     -1,331,195
YONG     YONGYE INTERNATI           4,932,090      6,235,181     -1,303,091
SOMX     SOMAXON PHARMACE           8,055,907      9,264,738     -1,208,831
LEAP     LEAP WIRELESS              6,394,589      7,598,602     -1,204,013
RRD      RR DONNELLEY & S          26,778,824     27,899,774     -1,120,950
ACAS     AMERICAN CAPITAL          14,810,118     15,896,783     -1,086,665
MOLX     MOLEX INC                  8,636,247      9,718,670     -1,082,423
MCHP     MICROCHIP TECH            15,126,046     16,207,042     -1,080,996
TWTC     TW TELECOM INC             5,917,437      6,984,981     -1,067,544
VVUS     VIVUS INC                 17,608,659     18,665,816     -1,057,157
TXCC     TRANSWITCH CORP              226,413      1,283,083     -1,056,670
APKT     ACME PACKET INC            4,479,102      5,520,690     -1,041,588
GRMN     GARMIN LTD                19,607,586     20,640,962     -1,033,376
FLIR     FLIR SYSTEMS               7,905,757      8,904,771       -999,014
ARCC     ARES CAPITAL COR           4,281,577      5,262,548       -980,971
MBLX     METABOLIX INC              6,259,950      7,224,916       -964,966
ACOR     ACORDA THERAPEUT           5,354,322      6,318,925       -964,603
MXIM     MAXIM INTEGRATED           7,221,092      8,166,794       -945,702
MERC     MERCER INTERNATI           1,057,221      2,001,029       -943,808
TIVO     TIVO INC                  18,987,751     19,909,183       -921,432
JBLU     JETBLUE AIRWAYS           44,825,805     45,746,863       -921,058
VECO     VEECO INSTRUMENT          10,898,800     11,805,206       -906,406

*-- Data includes ETF positions.

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

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