Biggest Nasdaq Changes in Short Interest vs Float as of Dec. 30

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 Dec. 30 settlement date.

TOP 25 INCREASES IN SHORT INTEREST VS FLOAT


                                      Dec. 30         Dec. 15    
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Increase % 
=============================================================================
SAPX  SEVEN ARTS ENTER                   31.42            4.12        27.30
UBNT  UBIQUITI NETWORK                   23.16           10.15        13.01
SHLD  SEARS HOLDINGS                     38.45           29.40         9.05
MFRM  MATTRESS FIRM HO                   10.86            3.13         7.73
TRIP  TRIPADVISOR INC                     7.55            0.01         7.54
HAST  HASTINGS ENTMNT                    18.30           11.26         7.03
CLVS  CLOVIS ONCOLOGY                    10.13            3.29         6.83
GRPN  GROUPON INC                        43.23           36.77         6.46
ZLTQ  ZELTIQ AESTHETIC                   39.87           33.42         6.46
ATHN  ATHENAHEALTH INC                   24.03           18.55         5.48
KITD  KIT DIGITAL INC                    38.58           33.81         4.77
IMI   INTERMOLECULAR I                    8.21            4.60         3.61
SOHU  SOHU.COM INC                       13.69           10.27         3.42
ALXA  ALEXZA PHARMACEU                    5.21            1.81         3.40
SPPI  SPECTRUM PHARMAC                   17.40           14.04         3.36
ABIO  ARCA BIOPHARMA                      9.31            5.97         3.34
CALL  MAGICJACK VOCAL                    10.02            6.81         3.20
SREV  SERVICESOURCE IN                   14.06           10.95         3.11
LRCX  LAM RESEARCH                        6.71            3.63         3.08
RAM   RAM ENERGY RESOU                    3.47            0.52         2.95
NLNK  NEWLINK GENETICS                    5.93            3.00         2.93
VPRT  VISTAPRINT NV                      30.28           27.42         2.86
SFLY  SHUTTERFLY INC                     26.79           24.05         2.74
EXPE  EXPEDIA INC                        11.97            9.28         2.69
ANGI  ANGIE'S LIST INC                   41.23           38.60         2.63

TOP 25 DECREASES IN SHORT INTEREST VS FLOAT

                                      Dec. 30         Dec. 15    
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Decrease % 
=============================================================================
AWAY  HOMEAWAY INC                       15.46           29.55       -14.10
MELA  MELA SCIENCES IN                   19.14           26.15        -7.01
ZAGG  ZAGG INC                           41.64           48.09        -6.46
JRCC  JAMES RIVER COAL                   25.29           30.04        -4.75
CWEI  CLAYTON WILLIAMS                   15.22           19.90        -4.68
TRGT  TARGACEPT INC                      11.64           16.19        -4.54
TAYC  TAYLOR CAPITAL                      9.92           14.26        -4.34
RLOC  REACHLOCAL INC                     10.98           15.28        -4.30
STEM  STEMCELLS INC                       1.78            6.06        -4.29
LIWA  LIHUA INTERNATIO                   45.05           49.17        -4.12
SPWR  SUNPOWER CORP                      16.77           20.80        -4.03
CHRS  CHARMING SHOPPES                   12.55           16.43        -3.88
FSIN  FUSHI COPPERWELD                   28.02           31.90        -3.88
FSLR  FIRST SOLAR INC                    31.39           35.05        -3.65
SMSI  SMITH MICRO SOFT                    6.65           10.23        -3.58
WRLD  WORLD ACCEPTANCE                   15.20           18.68        -3.48
BPAX  BIOSANTE PHARMA                    16.38           19.84        -3.46
AFFY  AFFYMAX INC                         6.85           10.20        -3.35
DMND  DIAMOND FOODS                      43.69           46.95        -3.26
PLCE  CHILDRENS PLACE                    19.86           23.03        -3.17
OZRK  BANK OZARKS                        13.83           16.89        -3.06
SKUL  SKULLCANDY INC                     59.48           62.53        -3.05
URBN  URBAN OUTFITTER                    12.74           15.77        -3.03
MITK  MITEK SYSTEMS                      14.25           17.25        -3.00
AXAS  ABRAXAS PETRO                      23.64           26.59        -2.95

-- Bloomberg News

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