Largest Nasdaq Short Interest Percent Increases as of Jan. 13

The following are the 200 largest short interest percent increases on the Nasdaq Stock Market as of the Jan. 13 settlement date. This list includes securities with a short position of at least 200,000 shares.



Ticker                                                                     
Symbol   Company                        Jan. 13       Dec. 30      % Change   
=============================================================================
ROIAK    RADIO ONE-CL D               4,727,306     1,038,881       355.0
SQQQ     PROSHARES UL SHO               875,043       218,397       300.7
ZNGA     ZYNGA INC- CL A             16,051,340     5,683,194       182.4
BDSI     BIODELIVERY SCIE               598,437       232,007       157.9
BBGI     BEASLEY BROAD -A               484,285       206,084       135.0
RAM      RAM ENERGY RESOU             3,809,139     1,887,726       101.8
MFRM     MATTRESS FIRM HO             1,298,142       658,226        97.2
DIAL     DIAL GLOBAL INC                423,092       224,595        88.4
EVEP     EV ENERGY PARTNE               471,627       252,143        87.0
JIVE     JIVE SOFTWARE IN               793,635       429,540        84.8
WEST     WESTINGHOUSE SOL               652,300       360,387        81.0
AMAT     APPLIED MATERIAL            15,855,340     8,976,539        76.6
SIMO     SILICON MOTI-ADR               668,238       383,909        74.1
CTXS     CITRIX SYSTEMS               3,142,812     1,939,677        62.0
KSWS     K-SWISS INC-A                4,557,283     2,831,761        60.9
FMCN     FOCUS MEDIA-ADR             13,325,068     8,327,598        60.0
LIFE     LIFE TECHNOLOGIE             5,812,907     3,724,067        56.1
MRVL     MARVELL TECH GRP             9,459,998     6,121,727        54.5
SINA     SINA CORP                    8,223,142     5,372,642        53.1
SCHS     SCHOOL SPECIALTY             2,598,828     1,704,434        52.5
AMRN     AMARIN CORP -ADR            11,634,140     7,689,037        51.3
TRMB     TRIMBLE NAVIG                3,004,880     1,996,943        50.5
MSFT     MICROSOFT CORP             101,542,070    67,807,732        49.7
UBNT     UBIQUITI NETWORK             3,023,173     2,034,809        48.6
BAMM     BOOKS-A-MILLION              1,551,232     1,047,675        48.1
ACAT     ARCTIC CAT INC                 598,469       406,245        47.3
STX      SEAGATE TECHNOLO            13,121,873     8,916,772        47.2
PMCS     PMC-SIERRA INC               5,479,333     3,744,379        46.3
GILD     GILEAD SCIENCES             13,825,030     9,508,044        45.4
OPNT     OPNET TECH INC               2,491,341     1,723,789        44.5
PAAS     PAN AMER SILVER              1,694,326     1,172,974        44.4
TNGO     TANGOE INC/CT                1,264,737       891,369        41.9
ORCL     ORACLE CORP                 27,351,208    19,431,335        40.8
JAZZ     JAZZ PHARMACEUTI             1,477,730     1,053,281        40.3
CHTR     CHARTER COM-A                1,534,946     1,094,134        40.3
SPPI     SPECTRUM PHARMAC            12,106,865     8,671,797        39.6
LRCX     LAM RESEARCH                10,991,246     7,961,370        38.1
JOBS     51JOB INC-ADR                  688,394       499,096        37.9
PLCM     POLYCOM INC                  3,679,944     2,669,093        37.9
OSTK     OVERSTOCK.COM                2,371,603     1,744,823        35.9
ONNN     ON SEMICONDUCTOR            15,981,004    11,813,462        35.3
CSUN     CHINA SUNERG-ADR             1,231,543       914,390        34.7
BONT     BON-TON STORES               2,756,296     2,065,180        33.5
CMCSA    COMCAST CORP-A              27,195,897    20,395,519        33.3
SCHN     SCHNITZER STEEL              1,429,795     1,075,584        32.9
MERC     MERCER INTERNATI               589,023       444,526        32.5
AVAV     AEROVIRONMENT IN             1,566,255     1,183,437        32.3
PSMT     PRICESMART INC               1,850,996     1,400,324        32.2
BBBY     BED BATH &BEYOND             5,328,901     4,039,208        31.9
ZGNX     ZOGENIX INC                  1,184,498       903,314        31.1
CWTR     COLDWATER CREEK              5,116,116     3,919,487        30.5
MNST     MONSTER BEVERAGE             1,208,965       929,327        30.1
NWSA     NEWS CORP-A                 38,608,450    29,836,485        29.4
INTU     INTUIT INC                   6,343,605     4,947,678        28.2
WILN     WI-LAN INC                     303,435       236,846        28.1
FRAN     FRANCESCAS HOLDI             3,226,186     2,526,090        27.7
ERIC     ERICSSON LM-ADR              6,333,970     4,987,760        27.0
ITMN     INTERMUNE INC                9,297,070     7,344,913        26.6
NFLX     NETFLIX INC                 11,422,650     9,137,555        25.0
CMVT     COMVERSE TECH                2,155,770     1,725,949        24.9
COST     COSTCO WHOLESALE             6,121,505     4,906,304        24.8
TIBX     TIBCO SOFTWARE               2,721,562     2,184,260        24.6
TECD     TECH DATA CORP               2,890,591     2,325,181        24.3
BRCM     BROADCOM CORP-A             10,546,848     8,506,617        24.0
WFSL     WASH FED                       986,048       796,131        23.9
STXS     STEREOTAXIS INC              7,703,755     6,222,198        23.8
TXN      TEXAS INSTRUMENT            20,020,541    16,210,884        23.5
FOSL     FOSSIL INC                   5,559,781     4,512,092        23.2
BIDU     BAIDU INC-SP ADR             6,604,645     5,360,904        23.2
CBOE     CBOE HOLDINGS IN             2,010,705     1,633,829        23.1
SIAL     SIGMA-ALDRICH                4,393,914     3,577,040        22.8
PAYX     PAYCHEX INC                  9,514,243     7,749,379        22.8
ADSK     AUTODESK INC                 4,117,307     3,358,271        22.6
SPMD     SUPERMEDIA INC               2,289,497     1,868,681        22.5
ORLY     O'REILLY AUTOMOT             4,324,281     3,529,771        22.5
CAR      AVIS BUDGET GROU            11,343,484     9,261,968        22.5
SPIL     SILICONWARE-ADR              4,316,624     3,526,353        22.4
SHLM     SCHULMAN (A)                 1,167,485       955,273        22.2
AMTD     TD AMERITRADE HO            10,232,150     8,374,504        22.2
EXPE     EXPEDIA INC                 13,718,147    11,234,515        22.1
ANAC     ANACOR PHARMACEU               475,006       389,053        22.1
NXPI     NXP SEMICONDUCTO             4,806,717     3,941,907        21.9
ROST     ROSS STORES INC              5,544,792     4,552,601        21.8
MDCO     MEDICINES COMP               2,562,342     2,105,035        21.7
CLMT     CALUMET SPECIALT               276,361       227,056        21.7
RRGB     RED ROBIN GOURME             1,636,427     1,347,917        21.4
BNVI     BIONOVO INC                    248,022       204,637        21.2
ARMH     ARM HOLDINGS-ADR             7,383,649     6,102,961        21.0
CPNO     COPANO ENERGY-UN               764,073       632,769        20.8
DLGC     DIALOGIC INC                   626,369       519,990        20.5
BRKR     BRUKER CORP                  1,982,455     1,646,926        20.4
WFM      WHOLE FOODS MKT              9,591,914     7,979,792        20.2
LPLA     LPL INVESTMENT H               883,812       736,016        20.1
MLNX     MELLANOX TECHNOL             1,455,874     1,213,241        20.0
APOL     APOLLO GROUP-A              12,258,970    10,224,882        19.9
SPLS     STAPLES INC                 28,071,955    23,451,897        19.7
CAVM     CAVIUM INC                   5,840,750     4,885,728        19.5
PCRX     PACIRA PHARMACEU             1,906,718     1,596,692        19.4
PANL     UNIVERSAL DISPLA            13,453,683    11,268,909        19.4
RVBD     RIVERBED TECHNOL             5,262,025     4,410,138        19.3
FLML     FLAMEL TECH-ADR                238,368       200,115        19.1
MSTR     MICROSTRATEGY                  705,953       592,794        19.1
ILMN     ILLUMINA INC                25,283,891    21,250,256        19.0
ARLP     ALLIANCE RESOURC               576,926       485,291        18.9
SNDK     SANDISK CORP                 8,523,329     7,174,736        18.8
LOOP     LOOPNET INC                  1,204,774     1,014,413        18.8
EA       ELECTRONIC ARTS             19,015,707    16,035,513        18.6
URBN     URBAN OUTFITTER             16,552,874    13,972,328        18.5
WYNN     WYNN RESORTS LTD             4,891,631     4,129,959        18.4
ARCC     ARES CAPITAL COR             6,607,850     5,581,687        18.4
SBUX     STARBUCKS CORP              11,888,398    10,043,573        18.4
CBOU     CARIBOU COFFEE               2,305,523     1,952,901        18.1
HAS      HASBRO INC                   6,990,831     5,930,066        17.9
SNPS     SYNOPSYS INC                 1,997,295     1,694,382        17.9
AVEO     AVEO PHARMACEUTI             2,837,817     2,414,370        17.5
PTEN     PATTERSON-UTI                6,331,860     5,394,969        17.4
NUAN     NUANCE COMMUNICA            14,195,888    12,109,447        17.2
CPSI     COMPUTER PROGRAM               597,243       509,662        17.2
DNKN     DUNKIN' BRANDS G             5,357,564     4,579,968        17.0
TFSL     TFS FINANCIAL CO               979,487       838,356        16.8
HOLX     HOLOGIC INC                  4,477,498     3,834,931        16.8
ASBC     ASSOC BANC-CORP              4,512,672     3,867,045        16.7
HBAN     HUNTINGTON BANC             13,268,720    11,379,723        16.6
HZNP     HORIZON PHARMA I               493,515       424,912        16.1
IFGL     ISHARES FTSE EPR               614,520       529,127        16.1
CMLS     CUMULUS MEDIA-A             10,600,933     9,129,882        16.1
NIHD     NII HOLDING INC              7,143,738     6,161,809        15.9
ALXN     ALEXION PHARM                3,546,535     3,062,089        15.8
AFSI     AMTRUST FIN SERV             3,521,179     3,040,447        15.8
CVV      CVD EQUIPMENT CO               477,065       411,939        15.8
ULTA     ULTA SALON COSME             1,898,888     1,639,735        15.8
AAPL     APPLE INC                   11,530,052     9,962,590        15.7
SPRD     SPREADTRUM-ADR               5,342,394     4,630,790        15.4
AMZN     AMAZON.COM INC               8,465,036     7,340,912        15.3
AEIS     ADV ENERGY INDS              3,284,320     2,849,827        15.2
KAMN     KAMAN CORP                   1,208,048     1,048,646        15.2
CAMP     CALAMP CORP                    278,964       242,479        15.0
AAON     AAON INC                     1,864,633     1,621,455        15.0
TEVA     TEVA PHARM-ADR               9,736,372     8,476,176        14.9
BRCD     BROCADE COMM SYS             9,049,710     7,884,803        14.8
LINTA    LIBERTY INTERA-A             3,851,653     3,359,316        14.7
YHOO     YAHOO! INC                  42,012,870    36,650,629        14.6
CRUS     CIRRUS LOGIC INC             6,787,028     5,930,665        14.4
SSRI     SILVER STANDARD              1,326,519     1,160,018        14.4
SWKS     SKYWORKS SOLUTIO             8,754,981     7,657,758        14.3
PPHM     PEREGRINE PHARMA             5,071,640     4,439,539        14.2
BMC      BMC SOFTWARE INC             3,082,669     2,699,234        14.2
LKQX     LKQ CORP                     1,172,304     1,026,744        14.2
ACHN     ACHILLION PHARMA             6,713,431     5,881,119        14.2
GPRO     GEN-PROBE                      687,652       602,492        14.1
QCOR     QUESTCOR PHARM               6,964,378     6,103,417        14.1
NETL     NETLOGIC MICROSY             4,232,756     3,710,348        14.1
CECO     CAREER EDUCATION             2,849,270     2,498,155        14.1
IPSU     IMPERIAL SUGAR               1,816,173     1,595,161        13.9
JRCC     JAMES RIVER COAL            10,100,463     8,877,032        13.8
BEBE     BEBE STORES INC              2,359,009     2,078,085        13.5
VRSN     VERISIGN INC                11,200,611     9,869,223        13.5
SBGI     SINCLAIR BROAD-A             2,857,418     2,521,342        13.3
PRGO     PERRIGO CO                   4,055,032     3,578,315        13.3
AVGO     AVAGO TECHNOLOGI             1,918,025     1,694,561        13.2
VRA      VERA BRADLEY INC            10,916,154     9,654,509        13.1
NDAQ     NASDAQ OMX GROUP             4,358,857     3,856,673        13.0
ARNA     ARENA PHARMACEUT            22,991,887    20,352,805        13.0
GOLD     RANDGOLD RES-ADR             1,062,753       941,376        12.9
TSCO     TRACTOR SUPPLY               2,639,266     2,338,861        12.8
ZBRA     ZEBRA TECH CORP                619,568       549,086        12.8
UTIW     UTI WORLDWIDE                  989,702       877,837        12.7
LMNX     LUMINEX CORP                 3,144,717     2,789,520        12.7
EQIX     EQUINIX INC                  4,932,274     4,375,460        12.7
ENDP     ENDO PHARMA HLDG             5,732,322     5,089,246        12.6
RYAAY    RYANAIR HLDG-ADR               564,364       501,369        12.6
STLD     STEEL DYNAMICS               5,594,937     4,975,674        12.4
DLTR     DOLLAR TREE INC              3,942,269     3,506,733        12.4
WCRX     WARNER CHILCOT-A             2,753,248     2,449,546        12.4
LBTYA    LIBERTY GLOBAL-A             2,912,704     2,593,232        12.3
BCPC     BALCHEM CORP                 2,234,644     1,989,548        12.3
EBAY     EBAY INC                    14,527,182    12,934,267        12.3
MAKO     MAKO SURGICAL               12,544,981    11,170,210        12.3
INTC     INTEL CORP                 131,784,131   117,479,241        12.2
DMND     DIAMOND FOODS               10,460,761     9,326,999        12.2
DEST     DESTINATION MATE               562,645       501,828        12.1
HGSI     HUMAN GENOME SCI            32,240,113    28,772,752        12.1
FTNT     FORTINET INC                 2,550,241     2,277,779        12.0
SGMS     SCIENTIFIC GAM-A             3,085,492     2,756,172        11.9
PEIX     PACIFIC ETHANOL              3,106,174     2,781,256        11.7
HSNI     HSN INC                      3,248,750     2,909,442        11.7
CRME     CARDIOME PHARMA                690,699       618,563        11.7
VOD      VODAFONE GRP-ADR            12,369,586    11,092,511        11.5
PEET     PEETS COFFEE &               2,501,210     2,243,358        11.5
USTR     UNITED STATIONER             2,852,347     2,561,637        11.3
TTWO     TAKE-TWO INTERAC            13,904,323    12,489,515        11.3
MINI     MOBILE MINI                  5,380,471     4,835,519        11.3
NLST     NETLIST INC                  1,292,156     1,161,927        11.2
VPRT     VISTAPRINT NV               11,076,274     9,967,591        11.1
ZOOM     ZOOM TECHNOLOGIE               882,937       795,165        11.0
CIEN     CIENA CORP                  24,954,627    22,495,901        10.9
APKT     ACME PACKET INC              5,837,334     5,264,408        10.9
MCRS     MICROS SYSTEMS                 907,069       818,072        10.9
ITRI     ITRON INC                    2,044,479     1,844,331        10.9
QLGC     QLOGIC CORP                  1,924,086     1,736,384        10.8

*-- Data includes ETF positions.

-- Bloomberg News

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