Largest Nasdaq Short Interest Changes as of Jan. 13

The following are the 50 largest short interest changes on the Nasdaq Stock Market as of the Jan. 13 settlement date. The table ranks the top 50 positive changes followed by the top negative changes.

TOP 50 INCREASES


Ticker                                                                   
Symbol   Company                    Jan. 13        Dec. 30         Change    
=============================================================================
MSFT     MICROSOFT CORP           101,542,070     67,807,732     33,734,338
INTC     INTEL CORP               131,784,131    117,479,241     14,304,890
ZNGA     ZYNGA INC- CL A           16,051,340      5,683,194     10,368,146
NWSA     NEWS CORP-A               38,608,450     29,836,485      8,771,965
ORCL     ORACLE CORP               27,351,208     19,431,335      7,919,873
AMAT     APPLIED MATERIAL          15,855,340      8,976,539      6,878,801
CMCSA    COMCAST CORP-A            27,195,897     20,395,519      6,800,378
YHOO     YAHOO! INC                42,012,870     36,650,629      5,362,241
FMCN     FOCUS MEDIA-ADR           13,325,068      8,327,598      4,997,470
ESRX     EXPRESS SCRIPT            86,106,752     81,315,340      4,791,412
SPLS     STAPLES INC               28,071,955     23,451,897      4,620,058
GILD     GILEAD SCIENCES           13,825,030      9,508,044      4,316,986
STX      SEAGATE TECHNOLO          13,121,873      8,916,772      4,205,101
ONNN     ON SEMICONDUCTOR          15,981,004     11,813,462      4,167,542
DELL     DELL INC                  69,886,744     65,844,046      4,042,698
ILMN     ILLUMINA INC              25,283,891     21,250,256      4,033,635
AMRN     AMARIN CORP -ADR          11,634,140      7,689,037      3,945,103
TXN      TEXAS INSTRUMENT          20,020,541     16,210,884      3,809,657
SIRI     SIRIUS XM RADIO          305,095,277    301,375,854      3,719,423
ROIAK    RADIO ONE-CL D             4,727,306      1,038,881      3,688,425
HGSI     HUMAN GENOME SCI          32,240,113     28,772,752      3,467,361
SPPI     SPECTRUM PHARMAC          12,106,865      8,671,797      3,435,068
MRVL     MARVELL TECH GRP           9,459,998      6,121,727      3,338,271
LRCX     LAM RESEARCH              10,991,246      7,961,370      3,029,876
QQQ      POWERSH-QQQ               69,646,547     66,629,158      3,017,389
EA       ELECTRONIC ARTS           19,015,707     16,035,513      2,980,194
SINA     SINA CORP                  8,223,142      5,372,642      2,850,500
RRD      RR DONNELLEY & S          30,504,665     27,839,290      2,665,375
ARNA     ARENA PHARMACEUT          22,991,887     20,352,805      2,639,082
URBN     URBAN OUTFITTER           16,552,874     13,972,328      2,580,546
EXPE     EXPEDIA INC               13,718,147     11,234,515      2,483,632
CIEN     CIENA CORP                24,954,627     22,495,901      2,458,726
NFLX     NETFLIX INC               11,422,650      9,137,555      2,285,095
PANL     UNIVERSAL DISPLA          13,453,683     11,268,909      2,184,774
LIFE     LIFE TECHNOLOGIE           5,812,907      3,724,067      2,088,840
NUAN     NUANCE COMMUNICA          14,195,888     12,109,447      2,086,441
CAR      AVIS BUDGET GROU          11,343,484      9,261,968      2,081,516
COCO     CORINTHIAN COLLE          24,954,848     22,874,558      2,080,290
BRCM     BROADCOM CORP-A           10,546,848      8,506,617      2,040,231
APOL     APOLLO GROUP-A            12,258,970     10,224,882      2,034,088
ITMN     INTERMUNE INC              9,297,070      7,344,913      1,952,157
RAM      RAM ENERGY RESOU           3,809,139      1,887,726      1,921,413
HBAN     HUNTINGTON BANC           13,268,720     11,379,723      1,888,997
DNDN     DENDREON CORP             34,768,314     32,904,162      1,864,152
AMTD     TD AMERITRADE HO          10,232,150      8,374,504      1,857,646
SBUX     STARBUCKS CORP            11,888,398     10,043,573      1,844,825
PAYX     PAYCHEX INC                9,514,243      7,749,379      1,764,864
PMCS     PMC-SIERRA INC             5,479,333      3,744,379      1,734,954
KSWS     K-SWISS INC-A              4,557,283      2,831,761      1,725,522
KITD     KIT DIGITAL INC           17,503,770     15,816,142      1,687,628

TOP 50 DECREASES


Ticker                                                                   
Symbol   Company                    Jan. 13        Dec. 30         Change    
=============================================================================
CMCSK    COMCAST CORP-SPL          10,916,622     14,415,061     -3,498,439
DISH     DISH NETWORK-A             3,840,468      6,960,550     -3,120,082
CSCO     CISCO SYSTEMS             60,636,580     63,605,591     -2,969,011
GRFS     GRIFOLS SA-ADR             1,301,162      3,889,185     -2,588,023
MYL      MYLAN INC                 29,662,384     31,827,313     -2,164,929
LULU     LULULEMON ATH             12,889,502     14,846,888     -1,957,386
SFLY     SHUTTERFLY INC             6,418,856      8,370,913     -1,952,057
BRKL     BROOKLINE BANCRP           3,070,568      4,840,972     -1,770,404
FLEX     FLEXTRONICS INTL           9,611,783     11,139,833     -1,528,050
AMGN     AMGEN INC                 17,895,868     19,377,253     -1,481,385
NPSP     NPS PHARM INC              4,475,619      5,935,181     -1,459,562
VCLK     VALUECLICK INC             7,213,381      8,647,750     -1,434,369
PWER     POWER-ONE INC              9,552,084     10,942,576     -1,390,492
REGN     REGENERON PHARM            7,464,429      8,853,523     -1,389,094
GERN     GERON CORP                 7,732,434      8,958,284     -1,225,850
DVAX     DYNAVAX TECHNOLO          14,162,210     15,145,186       -982,976
LXRX     LEXICON PHARMACE           9,374,232     10,336,941       -962,709
PDCO     PATTERSON COS              4,585,892      5,510,921       -925,029
RIMM     RESEARCH IN MOTI          36,600,063     37,523,671       -923,608
NTAP     NETAPP INC                21,599,871     22,517,962       -918,091
HERO     HERCULES OFFSHOR          10,182,191     11,029,702       -847,511
ACOR     ACORDA THERAPEUT           3,194,668      4,039,766       -845,098
GRPN     GROUPON INC               16,484,330     17,328,422       -844,092
EDMC     EDUCATION MGMT             3,879,000      4,697,322       -818,322
WEN      WENDY'S CO/THE            13,974,108     14,777,934       -803,826
INWK     INNERWORKINGS IN           6,669,297      7,382,081       -712,784
GLUU     GLU MOBILE INC             7,599,776      8,308,957       -709,181
AXAS     ABRAXAS PETRO             18,243,258     18,951,328       -708,070
BMTI     BIOMIMETIC THERA           1,023,649      1,708,899       -685,250
PDLI     PDL BIOPHARMA IN          15,369,417     16,038,320       -668,903
STEI     STEWART ENTERP-A          10,484,303     11,143,867       -659,564
SATC     SATCON TECH               16,765,534     17,424,637       -659,103
FSLR     FIRST SOLAR INC           18,042,779     18,700,030       -657,251
IPCM     IPC THE HOSPITAL           2,057,972      2,709,068       -651,096
VICL     VICAL INC                  5,795,557      6,443,690       -648,133
HSOL     HANWHA SOLAR-ADR           2,674,722      3,315,329       -640,607
IRDM     IRIDIUM COMMUNIC           8,129,266      8,754,861       -625,595
OPEN     OPENTABLE INC             10,375,660     10,984,198       -608,538
MDRX     ALLSCRIPTS HEALT           4,000,842      4,592,054       -591,212
TKLC     TEKELEC                    1,832,472      2,421,029       -588,557
EBIX     EBIX INC                  10,614,134     11,182,942       -568,808
CY       CYPRESS SEMICON            6,497,355      7,050,304       -552,949
FMER     FIRSTMERIT CORP            6,048,323      6,599,457       -551,134
FWLT     FOSTER WHEELER             1,724,138      2,272,487       -548,349
MPEL     MELCO CROWN-ADR            6,826,516      7,369,510       -542,994
EGHT     8X8 INC                    7,106,409      7,649,008       -542,599
NPBC     NATL PENN BCSHS            7,385,128      7,927,657       -542,529
HOGS     ZHONGPIN INC               3,195,480      3,737,039       -541,559
GTAT     GT ADVANCED TECH          14,228,891     14,769,681       -540,790
COWN     COWEN GROUP-A              4,009,064      4,542,985       -533,921

*-- Data includes ETF positions.

-- Bloomberg News

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