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 Nov. 30 settlement date.

TOP 25 INCREASES IN SHORT INTEREST VS FLOAT


                                      Nov. 30         Nov. 15    
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Increase % 
=============================================================================
BMC   BMC SOFTWARE INC                   10.12            1.46         8.67
BBY   BEST BUY CO INC                    14.04           10.10         3.94
STX   SEAGATE TECHNOLO                   13.75           11.09         2.66
PLL   PALL CORP                           7.09            4.76         2.32
EW    EDWARDS LIFE                        4.78            3.12         1.66
CHK   CHESAPEAKE ENERG                   14.04           12.55         1.49
NVDA  NVIDIA CORP                         3.79            2.32         1.47
CMS   CMS ENERGY CORP                     5.02            3.58         1.43
OMC   OMNICOM GROUP                       4.55            3.18         1.37
FFIV  F5 NETWORKS                         5.28            3.91         1.37
FHN   FIRST HORIZON NA                    9.63            8.31         1.32
EA    ELECTRONIC ARTS                     7.65            6.35         1.30
BMS   BEMIS CO                            5.62            4.42         1.20
LUK   LEUCADIA NATL                       4.67            3.50         1.17
DG    DOLLAR GENERAL C                    2.94            1.84         1.09
DELL  DELL INC                            5.00            3.95         1.05
BLL   BALL CORP                           3.74            2.70         1.04
GCI   GANNETT CO                         11.52           10.53         1.00
DNB   DUN & BRADSTREET                   12.95           12.08         0.87
JOY   JOY GLOBAL INC                      6.92            6.08         0.84
MUR   MURPHY OIL CORP                     4.57            3.80         0.78
PNR   PENTAIR LTD-REG                     2.92            2.17         0.74
NDAQ  NASDAQ OMX GROUP                    4.32            3.59         0.73
IPG   INTERPUBLIC GRP                     3.52            2.80         0.73
DNR   DENBURY RESOURCE                    3.74            3.02         0.72

TOP 25 DECREASES IN SHORT INTEREST VS FLOAT

                                      Nov. 30         Nov. 15    
                                  Short Interest   Short Interest   
Ticker Name                        /Free Float %   /Free Float %    Decrease % 
=============================================================================
AMD   ADV MICRO DEVICE                   24.06           26.87        -2.81
RRD   RR DONNELLEY & S                   26.21           28.10        -1.89
PBI   PITNEY BOWES INC                   30.50           32.36        -1.86
WIN   WINDSTREAM CORP                    11.30           12.98        -1.68
PCS   METROPCS COMMUNI                    6.97            8.57        -1.60
BTU   PEABODY ENERGY                      5.94            7.40        -1.46
AVB   AVALONBAY COMMUN                    5.27            6.54        -1.28
NFLX  NETFLIX INC                        26.97           28.22        -1.25
TSO   TESORO CORP                         6.02            7.19        -1.17
APOL  APOLLO GROUP-A                     16.51           17.63        -1.13
AN    AUTONATION INC                      5.11            6.18        -1.07
SEE   SEALED AIR CORP                     7.06            8.12        -1.06
JNPR  JUNIPER NETWORKS                    2.49            3.53        -1.04
ANF   ABERCROMBIE & FI                   13.09           14.08        -1.00
KLAC  KLA-TENCOR CORP                     4.16            5.06        -0.90
STZ   CONSTELLATION-A                     2.53            3.42        -0.89
WPO   WASHINGTON POS-B                    9.10            9.97        -0.88
MAR   MARRIOTT INTL-A                     7.14            8.00        -0.86
WHR   WHIRLPOOL CORP                      3.68            4.53        -0.85
SCG   SCANA CORP                          3.63            4.47        -0.84
CPB   CAMPBELL SOUP CO                   10.48           11.32        -0.84
TIE   TITANIUM METALS                     5.04            5.86        -0.81
TRIP  TRIPADVISOR INC                    14.44           15.24        -0.80
STJ   ST JUDE MEDICAL                     1.30            2.09        -0.79
TXT   TEXTRON INC                         5.00            5.78        -0.79

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