S&P 500 Changes in Short Interest as Percentage of Float

The following tables show companies listed in the S&P 500 Index that have the largest changes in short interest as a percentage of shares available for trading as of the March 28 settlement date.

TOP 25 INCREASES IN SHORT INTEREST VS FLOAT


                                      March 28        March 15   
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Increase % 
=============================================================================
CLF   CLIFFS NATURAL R                   23.10           20.18         2.93
MHP   MCGRAW-HILL COS                     4.85            2.53         2.32
APOL  APOLLO GROUP-A                     20.29           18.27         2.02
AKAM  AKAMAI TECHNOLOG                   10.45            9.07         1.39
HSP   HOSPIRA INC                         7.24            5.92         1.33
GT    GOODYEAR TIRE                       6.46            5.16         1.30
JOY   JOY GLOBAL INC                      7.00            5.76         1.25
WIN   WINDSTREAM CORP                    13.20           12.02         1.18
JDSU  JDS UNIPHASE                        3.96            2.92         1.04
COH   COACH INC                           5.58            4.61         0.97
CVC   CABLEVISION SY-A                    9.21            8.26         0.95
BMC   BMC SOFTWARE INC                    7.60            6.78         0.82
GME   GAMESTOP CORP-A                    36.60           35.80         0.80
NVDA  NVIDIA CORP                         4.44            3.68         0.76
FE    FIRSTENERGY CORP                    1.90            1.23         0.67
DISCA DISCOVERY COMM-A                    8.88            8.25         0.63
HUM   HUMANA INC                          3.49            2.90         0.59
ISRG  INTUITIVE SURGIC                    6.24            5.66         0.59
KSS   KOHLS CORP                          6.87            6.29         0.58
CNP   CENTERPOINT ENER                    1.42            0.86         0.56
THC   TENET HEALTHCARE                    7.93            7.40         0.52
WMB   WILLIAMS COS INC                    2.24            1.73         0.51
NBR   NABORS INDS LTD                     3.75            3.25         0.49
POM   PEPCO HOLDINGS                      3.90            3.41         0.49
STZ   CONSTELLATION-A                     4.21            3.74         0.47

TOP 25 DECREASES IN SHORT INTEREST VS FLOAT

                                      March 28        March 15   
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Decrease % 
=============================================================================
FSLR  FIRST SOLAR INC                    27.28           30.58        -3.30
JCP   J.C. PENNEY CO                     37.53           40.29        -2.76
BBY   BEST BUY CO INC                    10.15           12.51        -2.36
EA    ELECTRONIC ARTS                     5.51            7.84        -2.33
NFLX  NETFLIX INC                        13.82           15.62        -1.80
PBI   PITNEY BOWES INC                   28.06           29.72        -1.66
CHK   CHESAPEAKE ENERG                   11.97           13.62        -1.65
SWY   SAFEWAY INC                        22.54           24.16        -1.62
TIF   TIFFANY & CO                        9.61           10.99        -1.38
LEN   LENNAR CORP-A                      18.54           19.85        -1.31
SNI   SCRIPPS NET-CL A                    3.11            4.37        -1.26
LOW   LOWE'S COS INC                      1.61            2.75        -1.13
ANF   ABERCROMBIE & FI                    5.94            7.06        -1.11
LNC   LINCOLN NATL CRP                    5.10            6.17        -1.07
ETFC  E*TRADE FINANCIA                    6.00            7.06        -1.06
KEY   KEYCORP                             1.72            2.77        -1.05
CSC   COMPUTER SCIENCE                    0.98            1.96        -0.98
WPX   WPX ENERGY                          7.75            8.71        -0.96
CCL   CARNIVAL CORP                       1.86            2.81        -0.95
RL    RALPH LAUREN COR                    2.21            3.13        -0.92
FLS   FLOWSERVE CORP                      1.64            2.54        -0.89
DG    DOLLAR GENERAL C                    3.82            4.71        -0.89
CMG   CHIPOTLE MEXICAN                   12.22           13.09        -0.87
ABC   AMERISOURCEBERGE                    3.70            4.56        -0.87
WPO   WASHINGTON POS-B                    7.03            7.87        -0.84

-- Bloomberg News

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