Biggest Nasdaq Changes in Short Interest vs Float as of Feb. 28

The following tables show companies listed on the Nasdaq Stock Market that have the largest changes in short interest as a percentage of shares available for trading as of the Feb. 28 settlement date.

TOP 25 INCREASES IN SHORT INTEREST VS FLOAT


                                      Feb. 28         Feb. 15    
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Increase % 
=============================================================================
SHLD  SEARS HOLDINGS                     28.98           13.49        15.49
EDMC  EDUCATION MGMT                     18.15            4.16        14.00
GLUU  GLU MOBILE INC                      9.53            2.16         7.38
CSTR  COINSTAR INC                       37.32           31.06         6.25
LOGM  LOGMEIN INC                        27.63           22.05         5.58
LNET  LODGENET INTERAC                   32.71           27.52         5.19
PSEC  PROSPECT CAPITAL                   10.48            5.44         5.04
BDCO  BLUE DOLPHIN ENE                    5.86            1.07         4.79
AVNR  AVANIR PHARM INC                   26.39           21.85         4.54
CLWR  CLEARWIRE -CL A                    25.89           22.01         3.88
GHDX  GENOMIC HEALTH I                   12.83            9.23         3.60
MNKD  MANNKIND CORP                      28.91           25.35         3.55
EPOC  EPOCRATES INC                       5.20            1.78         3.42
ROYL  ROYALE ENERGY                       6.89            3.61         3.28
CHBT  CHINA-BIOTICS IN                   32.85           29.60         3.25
GEOI  GEORESOURCES INC                    6.57            3.41         3.16
CAGC  CHINA AGRITECH                     22.53           19.40         3.13
MAKO  MAKO SURGICAL                      24.67           21.57         3.10
LNCE  SNYDERS-LANCE                      12.02            9.09         2.93
RLOC  REACHLOCAL INC                     24.53           21.67         2.86
TSLA  TESLA MOTORS                       39.28           36.45         2.83
FDML  FEDERAL MOGUL                       3.73            0.92         2.81
CECO  CAREER EDUCATION                   10.77            8.06         2.71
STRA  STRAYER EDUCATIO                   19.59           16.98         2.62
CVVT  CHINA VALVES TEC                   19.03           16.50         2.53

TOP 25 DECREASES IN SHORT INTEREST VS FLOAT

                                      Feb. 28         Feb. 15    
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Decrease % 
=============================================================================
CLDA  CLINICAL DATA IN                   13.45           30.25       -16.79
GNOM  COMPLETE GENOMIC                   16.46           27.75       -11.29
CBPO  CHINA BIOLOGIC P                   11.97           20.77        -8.80
AVGO  AVAGO TECHNOLOGI                    0.98            8.80        -7.83
OREX  OREXIGEN THERAPE                   34.80           41.56        -6.76
CHTP  CHELSEA THERAPEU                    5.67           11.70        -6.04
NPSP  NPS PHARM INC                       3.65            9.35        -5.71
OPEN  OPENTABLE INC                      23.88           28.93        -5.04
INWK  INNERWORKINGS IN                   21.44           26.27        -4.83
NFLX  NETFLIX INC                        20.64           25.28        -4.64
ENOC  ENERNOC INC                        20.06           24.52        -4.45
AMRS  AMYRIS INC                          8.65           12.97        -4.32
CSIQ  CANADIAN SOLAR I                    7.46           11.26        -3.80
AMTD  TD AMERITRADE HO                    6.21            9.89        -3.68
CRUS  CIRRUS LOGIC INC                    6.82           10.07        -3.25
BODY  BODY CENTRAL COR                    5.99            9.05        -3.06
TITN  TITAN MACHINERY                    11.51           14.45        -2.94
DSCI  DERMA SCIENCES                      2.25            4.98        -2.73
LOPE  GRAND CANYON EDU                    6.74            9.43        -2.68
LULU  LULULEMON ATH                      13.88           16.53        -2.65
GRMN  GARMIN LTD                         19.86           22.46        -2.60
NDAQ  NASDAQ OMX GROUP                    5.27            7.85        -2.58
PACB  PACIFIC BIOSCIEN                   17.01           19.52        -2.51
PRAA  PORTFOLIO RECOVE                   20.08           22.48        -2.40
ATHN  ATHENAHEALTH INC                   18.27           20.63        -2.36

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-0- Mar/16/2011 18:59 GMT

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