Biggest Nasdaq Changes in Short Interest vs Float as of March 15

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 March 15 settlement date.

TOP 25 INCREASES IN SHORT INTEREST VS FLOAT


                                      March 15        Feb. 28    
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Increase % 
=============================================================================
ROYL  ROYALE ENERGY                      25.25            6.89        18.35
CLDA  CLINICAL DATA IN                   24.73           13.45        11.28
ATRN  ATRINSIC INC                       10.10            0.15         9.95
CAST  CHINACAST EDUCAT                   14.30            5.72         8.57
MCHX  MARCHEX INC-B                      11.60            3.29         8.30
BDCO  BLUE DOLPHIN ENE                   13.78            5.86         7.92
TZOO  TRAVELZOO INC                      37.30           30.27         7.03
XPRT  LECG CORP                          10.62            3.77         6.85
TECUA TECUMSEH PROD-A                     8.01            2.96         5.05
JRCC  JAMES RIVER COAL                   22.09           17.53         4.56
CSIQ  CANADIAN SOLAR I                   11.99            7.46         4.53
SINA  SINA CORP                          13.17            8.67         4.50
TIVO  TIVO INC                           15.94           11.45         4.49
AVNR  AVANIR PHARM INC                   30.57           26.39         4.18
CMLS  CUMULUS MEDIA-A                    15.67           11.57         4.10
TNGN  TENGION INC                         4.19            0.14         4.05
ACOM  ANCESTRY.COM INC                   16.92           13.04         3.88
HERO  HERCULES OFFSHOR                   10.89            7.32         3.56
REXX  REX ENERGY CORP                    23.33           19.79         3.54
SATC  SATCON TECH                        21.66           18.16         3.51
SPEC  SPECTRUM CONTROL                    6.21            2.82         3.39
WTSLA WET SEAL INC -A                     6.68            3.38         3.30
MMYT  MAKEMYTRIP LTD                     12.99            9.70         3.28
NFLX  NETFLIX INC                        23.86           20.64         3.21
FSYS  FUEL SYSTEMS SOL                   24.56           21.42         3.14

TOP 25 DECREASES IN SHORT INTEREST VS FLOAT

                                      March 15        Feb. 28    
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Decrease % 
=============================================================================
TIBB  TIB FINANCIAL                       0.19           31.04       -30.85
ALIM  ALIMERA SCIENCES                    7.59           17.62       -10.03
CASB  CASCADE FINL CRP                    1.27           11.04        -9.77
RXII  RXI PHARMACEUTIC                    9.74           18.66        -8.93
LNCE  SNYDERS-LANCE                       3.21           12.02        -8.81
OREX  OREXIGEN THERAPE                   26.33           34.80        -8.47
MCRL  MICREL INC                          6.91           13.88        -6.97
CBOU  CARIBOU COFFEE                      5.32           11.06        -5.73
MOTR  MOTRICITY INC                      17.64           23.06        -5.42
AUTC  AUTOCHINA INTERN                   17.72           22.92        -5.19
SLAB  SILICON LABS                        7.51           12.41        -4.90
NTRI  NUTRISYSTEM INC                    28.76           33.01        -4.25
BCON  BEACON POWER                        6.13           10.09        -3.97
MDAS  MEDASSETS INC                       8.48           12.44        -3.96
PACW  PACWEST BANCORP                    11.11           14.64        -3.53
MPWR  MONOLITHIC POWER                    4.19            7.71        -3.52
NETL  NETLOGIC MICROSY                   16.12           19.42        -3.30
CRWN  CROWN MEDIA HL-A                   14.64           17.82        -3.18
CYMI  CYMER INC                           4.49            7.65        -3.16
DTLK  DATALINK CORP                       1.17            4.19        -3.01
VLTR  VOLTERRA SEMICON                    4.94            7.77        -2.82
LIWA  LIHUA INTERNATIO                   21.59           24.40        -2.81
RBCN  RUBICON TECHNOLO                   55.48           58.29        -2.81
CONN  CONN'S INC                         38.86           41.66        -2.80
FPTB  FIRST PACTRUST                      0.34            3.07        -2.72

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-0- Apr/04/2011 14:21 GMT

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