Largest Nasdaq Short Interest Changes as of Dec. 15

The following are the 50 largest short interest changes on the Nasdaq Stock Market as of the Dec. 15 settlement date. The table ranks the top 50 positive changes followed by the top negative changes.

TOP 50 INCREASES


Ticker                                                                   
Symbol   Company                    Dec. 15        Nov. 30         Change    
=============================================================================
AMGN     AMGEN INC                 38,611,875     21,852,151     16,759,724
GRPN     GROUPON INC               14,796,819      7,637,404      7,159,415
BCSI     BLUE COAT SYSTEM           7,863,376      2,785,243      5,078,133
RIMM     RESEARCH IN MOTI          42,495,693     37,875,375      4,620,318
SIRI     SIRIUS XM RADIO          299,035,691    294,696,977      4,338,714
JBLU     JETBLUE AIRWAYS           38,398,708     34,902,106      3,496,602
NTAP     NETAPP INC                19,261,137     16,271,257      2,989,880
DNDN     DENDREON CORP             31,343,596     28,395,506      2,948,090
MU       MICRON TECH               67,127,184     64,575,139      2,552,045
NIHD     NII HOLDING INC            6,621,055      4,115,002      2,506,053
FMCN     FOCUS MEDIA-ADR           12,098,371      9,820,982      2,277,389
ANGI     ANGIE'S LIST INC           3,076,283      1,015,197      2,061,086
SPRD     SPREADTRUM-ADR             4,655,471      2,689,327      1,966,144
INFY     INFOSYS LTD-ADR           10,692,172      8,745,017      1,947,155
OVTI     OMNIVISION TECH            5,991,729      4,053,913      1,937,816
RRD      RR DONNELLEY & S          26,700,646     24,993,566      1,707,080
GSAT     GLOBALSTAR INC             8,341,272      6,643,356      1,697,916
BRCD     BROCADE COMM SYS           9,731,693      8,050,086      1,681,607
QCOR     QUESTCOR PHARM             6,814,958      5,157,895      1,657,063
INCY     INCYTE CORP               19,521,657     17,865,162      1,656,495
ILMN     ILLUMINA INC              22,964,792     21,424,784      1,540,008
EXPE     EXPEDIA INC               17,421,526     16,052,332      1,369,194
AWAY     HOMEAWAY INC               3,597,700      2,270,386      1,327,314
MPEL     MELCO CROWN-ADR            9,048,049      7,755,064      1,292,985
UBSI     UNITED BANKSHS             8,486,686      7,201,861      1,284,825
THQI     THQ INC                   12,193,566     10,915,360      1,278,206
ESRX     EXPRESS SCRIPT            79,237,428     77,962,654      1,274,774
NWSA     NEWS CORP-A               39,096,345     37,821,689      1,274,656
TEVA     TEVA PHARM-ADR             8,650,120      7,382,687      1,267,433
FITB     FIFTH THIRD BANC          20,536,544     19,338,882      1,197,662
JCOM     J2 GLOBAL INC              8,943,995      7,758,788      1,185,207
BPOP     POPULAR INC               18,014,883     16,840,229      1,174,654
LULU     LULULEMON ATH             15,430,225     14,298,060      1,132,165
ONNN     ON SEMICONDUCTOR          12,311,699     11,216,911      1,094,788
MXIM     MAXIM INTEGRATED           5,110,417      4,017,266      1,093,151
NKTR     NEKTAR THERAPEUT          17,580,162     16,498,760      1,081,402
KITD     KIT DIGITAL INC           13,861,648     12,782,364      1,079,284
PANL     UNIVERSAL DISPLA          10,945,043      9,870,590      1,074,453
DTV      DIRECTV-A                 19,025,690     17,961,191      1,064,499
ONTY     ONCOTHYREON INC           11,350,631     10,292,447      1,058,184
KLAC     KLA-TENCOR CORP           10,127,268      9,086,916      1,040,352
PRGO     PERRIGO CO                 4,320,899      3,306,612      1,014,287
HCBK     HUDSON CITY BNCP          15,990,876     14,986,692      1,004,184
QGEN     QIAGEN NV                  6,654,273      5,652,816      1,001,457
ATVI     ACTIVISION BLIZZ          23,302,533     22,396,892        905,641
OCZ      OCZ TECHNOLOGY            21,482,558     20,609,711        872,847
CIEN     CIENA CORP                23,786,228     22,919,767        866,461
BBCN     BBCN BANCORP INC           4,642,556      3,778,477        864,079
OPEN     OPENTABLE INC             10,774,396      9,935,230        839,166
INTC     INTEL CORP               120,548,516    119,714,369        834,147

TOP 50 DECREASES


Ticker                                                                   
Symbol   Company                    Dec. 15        Nov. 30         Change    
=============================================================================
CLWR     CLEARWIRE -CL A           36,123,371     53,119,127    -16,995,756
WIN      WINDSTREAM CORP           28,767,578     45,383,941    -16,616,363
QQQ      POWERSH-QQQ              103,152,327    117,474,891    -14,322,564
MSFT     MICROSOFT CORP            55,791,002     67,124,075    -11,333,073
CSCO     CISCO SYSTEMS             67,364,986     72,651,554     -5,286,568
ORCL     ORACLE CORP               28,790,327     33,694,272     -4,903,945
AMAT     APPLIED MATERIAL          12,237,643     17,121,615     -4,883,972
GILD     GILEAD SCIENCES           10,121,687     14,476,254     -4,354,567
RFMD     RF MICRO DEVICES          26,936,828     31,106,993     -4,170,165
CMCSA    COMCAST CORP-A            24,513,793     27,834,696     -3,320,903
NVDA     NVIDIA CORP               20,823,924     23,903,397     -3,079,473
ADBE     ADOBE SYS INC             14,824,049     17,818,343     -2,994,294
FNFG     FIRST NIAGARA FI           8,053,521     10,431,595     -2,378,074
SYMC     SYMANTEC CORP             11,875,447     14,229,895     -2,354,448
HGSI     HUMAN GENOME SCI          24,314,807     26,637,026     -2,322,219
FWLT     FOSTER WHEELER             2,098,310      4,367,220     -2,268,910
AVNR     AVANIR PHARM INC          27,708,954     29,931,324     -2,222,370
VMED     VIRGIN MEDIA INC          28,539,618     30,707,800     -2,168,182
FAST     FASTENAL CO               23,544,317     25,703,257     -2,158,940
ETFC     E*TRADE FINANCIA           5,787,957      7,934,129     -2,146,172
ALXA     ALEXZA PHARMACEU           1,001,772      3,106,913     -2,105,141
LMCA     LIBERTY MEDIA -A           1,089,578      3,154,107     -2,064,529
SLM      SLM CORP                   7,390,423      9,441,729     -2,051,306
XLNX     XILINX INC                14,441,918     16,437,285     -1,995,367
SPWR     SUNPOWER CORP              7,371,626      9,338,406     -1,966,780
VOD      VODAFONE GRP-ADR          11,936,425     13,871,243     -1,934,818
CEDC     CENTRAL EURO DIS          11,214,754     13,125,940     -1,911,186
UTHR     UNITED THERAPEUT           7,944,110      9,743,752     -1,799,642
YHOO     YAHOO! INC                36,963,198     38,761,493     -1,798,295
CREE     CREE INC                  15,732,905     17,494,854     -1,761,949
OPTR     OPTIMER PHARMACE           8,735,936     10,465,981     -1,730,045
ACAS     AMERICAN CAPITAL           3,113,159      4,752,243     -1,639,084
ALSK     ALASKA COMM SYS            8,691,959     10,325,145     -1,633,186
HBAN     HUNTINGTON BANC           11,279,440     12,834,625     -1,555,185
DRYS     DRYSHIPS INC              12,828,061     14,375,218     -1,547,157
GNTX     GENTEX CORP                4,952,055      6,492,842     -1,540,787
PTEN     PATTERSON-UTI              5,765,552      7,293,928     -1,528,376
SONS     SONUS NETWORKS             9,770,502     11,282,178     -1,511,676
RMBS     RAMBUS INC                 9,173,714     10,666,127     -1,492,413
CY       CYPRESS SEMICON            6,473,517      7,958,495     -1,484,978
NPSP     NPS PHARM INC              6,335,510      7,795,348     -1,459,838
HOGS     ZHONGPIN INC               3,796,038      5,242,089     -1,446,051
TXRH     TEXAS ROADHOUS             6,146,372      7,590,463     -1,444,091
ROSE     ROSETTA RESOURCE           4,187,622      5,613,360     -1,425,738
QCOM     QUALCOMM INC              17,892,421     19,315,111     -1,422,690
CSIQ     CANADIAN SOLAR I           4,352,569      5,767,832     -1,415,263
LRCX     LAM RESEARCH               4,303,536      5,685,340     -1,381,804
HERO     HERCULES OFFSHOR          10,357,953     11,703,945     -1,345,992
IBB      ISHARES-NDQ BIOT           4,524,231      5,837,346     -1,313,115
STLD     STEEL DYNAMICS             4,277,338      5,547,794     -1,270,456

*-- Data includes ETF positions.

-- Bloomberg News

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