The following are the 200 largest short interest percent increases on the New York Stock Exchange as of the March 15 settlement date. This list includes securities with a short position of at least 200,000 shares.

Ticker                                                                     
Symbol   Company                        March 15      Feb. 29      % Change   
=============================================================================
VR       VALIDUS HOLDINGS             1,939,590       459,942       321.7
XL       XL GROUP PLC                 7,996,533     2,982,067       168.2
POM      PEPCO HOLDINGS              22,951,143     8,840,769       159.6
EUO      PROSH-UL/SHO EUR               836,103       337,103       148.0
EWQ      ISHARES-FRANCE               1,237,030       545,027       127.0
MPC      MARATHON PETROLE            10,656,595     4,896,077       117.7
BAM      BROOKFIELD ASS-A             1,657,175       776,465       113.4
KORS     MICHAEL KORS HOL             2,977,800     1,422,482       109.3
VO       VANGUARD MID-C E               595,686       285,101       108.9
BBL      BHP BILLITON-ADR               739,337       359,428       105.7
NZT      TELECOM NEW-ADR                799,891       394,453       102.8
VNM      MKT VECT-VIETNAM               933,496       461,080       102.5
AWC      ALUMINA LTD-ADR                748,808       375,796        99.3
NMM      NAVIOS MARITIME                564,863       288,009        96.1
VTI      VANGUARD TL SK E             2,249,279     1,148,877        95.8
EWD      ISHARES-SWEDEN                 808,645       422,587        91.4
MLPN     CREDIT SUISSE CU               417,108       223,287        86.8
SUG      SOUTHERN UNION               6,748,385     3,771,970        78.9
IFN      INDIA FUND                   1,110,082       621,169        78.7
AZO      AUTOZONE INC                 1,294,968       738,499        75.4
IWP      ISHARES-RUS M GR               651,132       375,540        73.4
TVIX     VELOCITYSH 2X VX             6,862,479     3,985,507        72.2
BND      VANGUARD TOTAL B               539,306       315,251        71.1
MPW      MEDICAL PROPERTI             5,748,854     3,362,893        70.9
HIS      BLACK-HI INC SHS               409,469       242,305        69.0
BSBR     BANCO SANTANDER             12,803,828     7,634,038        67.7
OIH      MARKET VECTORS O            13,350,298     7,975,883        67.4
FIS      FIDELITY NATIONA             1,922,966     1,149,911        67.2
WX       WUXI PHARMAT-ADR               587,426       351,943        66.9
RWM      PROSHARES SHORT                454,943       275,340        65.2
TU       TELUS CORP-NON V            19,423,031    11,850,358        63.9
BBX      BANKATLANTIC B-A             1,481,927       905,718        63.6
HYD      MKT VECT-H/Y MUN               362,361       222,155        63.1
FHN      FIRST HORIZON NA            14,095,043     8,780,576        60.5
XME      SPDR S&P MET & M             7,394,737     4,626,594        59.8
GAB      GABELLI EQUITY                 642,122       402,919        59.4
EZU      ISHARES-EMU INDX               577,070       368,695        56.5
AWK      AMERICAN WATER W               824,475       527,862        56.2
NM       NAVIOS MARITIME                515,346       330,628        55.9
KT       KT CORP-ADR                    856,324       550,723        55.5
HCC      HCC INSURANCE                1,943,827     1,253,735        55.0
SJM      JM SMUCKER CO                1,827,651     1,182,561        54.6
WDC      WESTERN DIGITAL              3,904,552     2,535,788        54.0
PIKE     PIKE ELECTRIC CO               648,782       422,207        53.7
NU       NORTHEAST UTILS              4,683,078     3,054,998        53.3
HYG      ISH-IBOXX H/Y CO             3,804,035     2,484,193        53.1
CBT      CABOT CORP                     752,327       491,532        53.1
VUG      VANGUARD GRW ETF               410,546       268,768        52.8
CVE      CENOVUS ENERGY               7,935,745     5,205,580        52.4
NFG      NATL FUEL GAS CO             1,759,413     1,156,949        52.1
PLL      PALL CORP                    3,016,049     1,989,061        51.6
SPW      SPX CORP                       825,186       545,648        51.2
JJC      IPATH DJ UBS COP               485,549       321,414        51.1
GSG      ISHARES S&P GSCI             1,006,736       666,481        51.1
TFI      SPDR NUVEEN BARC               422,967       281,419        50.3
SR       STANDARD REGISTE             1,437,013       963,158        49.2
AB       ALLIANCEBERNSTEI             2,011,036     1,349,480        49.0
LOW      LOWE'S COS INC              19,497,159    13,161,050        48.1
CS       CREDIT SUISS-ADR             5,657,344     3,834,068        47.6
CNX      CONSOL ENERGY               11,042,549     7,535,322        46.5
STWD     STARWOOD PROPERT             6,581,476     4,513,056        45.8
BVN      BUENAVENTURA-ADR             1,400,974       967,861        44.7
STM      STMICROELECTR-NY             2,800,657     1,935,021        44.7
CCO      CLEAR CHANNEL-A                930,874       645,705        44.2
HMY      HARMONY GOLD-ADR             3,641,020     2,526,841        44.1
MWE      MARKWEST ENERGY              1,033,850       717,594        44.1
EC       ECOPETROL-SP ADR             3,360,629     2,339,765        43.6
AEM      AGNICO-EAGLE MIN             1,853,514     1,293,022        43.3
WFR      MEMC ELEC MATER             21,546,879    15,060,553        43.1
CBD      PAO ACUCAR-ADR               5,299,049     3,707,951        42.9
PHG      PHILIPS ELEC-NY              3,133,701     2,197,421        42.6
CVOL     C-TRACKS ETN VOL               392,847       275,636        42.5
TIP      ISHARES US TREAS             2,548,142     1,793,003        42.1
SGY      STONE ENERGY                 4,241,358     2,984,884        42.1
DX       DYNEX CAPITAL                2,071,992     1,461,534        41.8
GKK      GRAMERCY CAPITAL               340,469       240,592        41.5
SDS      PRO ULTSHRT S&P5             8,845,071     6,272,845        41.0
NSC      NORFOLK SOUTHERN             7,802,428     5,566,072        40.2
FAZ      DIR FIN BEAR 3X              5,258,113     3,756,129        40.0
LUV      SOUTHWEST AIR               23,847,959    17,069,424        39.7
IRE      BANK IRELAND-ADR             1,225,033       877,459        39.6
GLW      CORNING INC                 22,244,115    15,941,090        39.5
AG       FIRST MAJESTIC S             1,097,977       790,005        39.0
MFG      MIZUHO FINAN-ADR               796,764       574,230        38.8
FMC      FMC CORP                     1,071,887       772,995        38.7
HFC      HOLLYFRONTIER CO             8,186,314     5,905,024        38.6
XLI      SPDR-INDU SELECT            44,123,837    31,839,807        38.6
HPQ      HEWLETT-PACKARD             21,926,770    15,841,672        38.4
PHB      POWERSH FNDL H/Y               500,983       363,100        38.0
MCK      MCKESSON CORP                2,498,040     1,812,774        37.8
TCAP     TRIANGLE CAPITAL               821,294       597,066        37.6
BCE      BCE INC                      3,198,758     2,330,588        37.3
E        ENI SPA-ADR                  1,235,230       906,563        36.3
VLO      VALERO ENERGY               19,590,925    14,387,644        36.2
PKI      PERKINELMER INC              3,576,509     2,628,632        36.1
IPHI     INPHI CORP                   1,707,670     1,258,177        35.7
UNG      US NAT GAS FD LP            13,622,270    10,091,250        35.0
ARCO     ARCOS DORADOS-A              3,306,636     2,452,289        34.8
VXZ      IPATH-S&P M/T FU             2,550,673     1,892,060        34.8
TEO      TELECOM ARGE-ADR             1,229,615       912,631        34.7
PKX      POSCO-ADR                      676,484       502,097        34.7
HMC      HONDA MOTOR-ADR                681,275       506,129        34.6
MGA      MAGNA INTL                   7,497,164     5,597,623        33.9
DVY      ISHARES-DJ DIV               1,360,545     1,016,900        33.8
TTC      TORO CO                        530,593       396,622        33.8
SUI      SUN COMMUNITIES              1,471,227     1,099,796        33.8
RWX      SPDR DJ INTERNAT               549,381       411,335        33.6
TYC      TYCO INTL LTD                3,841,629     2,879,629        33.4
EWP      ISHARES-SPAIN                1,423,966     1,068,638        33.3
PFF      ISHARES S&P PREF             1,031,503       775,328        33.0
ECL      ECOLAB INC                   5,119,473     3,866,735        32.4
SLE      SARA LEE CORP               10,788,082     8,149,649        32.4
TEF      TELEFONICA-ADR               9,129,870     6,897,698        32.4
KAMN     KAMAN CORP                   1,377,815     1,042,758        32.1
WAIR     WESCO AIRCRAFT H             1,022,418       773,883        32.1
TRP      TRANSCANADA CORP             2,895,584     2,193,675        32.0
TIF      TIFFANY & CO                 6,543,985     4,959,976        31.9
WLP      WELLPOINT INC               10,026,397     7,624,001        31.5
PC       PANASONIC-ADR                  973,270       740,273        31.5
BHI      BAKER HUGHES INC            10,082,625     7,672,446        31.4
BRFS     BRASIL FOODS-ADR             5,396,947     4,106,951        31.4
BT       BT GROUP-SPON AD               292,444       222,860        31.2
ATR      APTARGROUP INC               1,299,949       993,177        30.9
RIG      TRANSOCEAN LTD               4,860,183     3,714,005        30.9
ECA      ENCANA CORP                 33,372,003    25,502,503        30.9
VAC      MARRIOTT VACATIO             2,709,690     2,074,053        30.6
KBE      SPDR S&P BANK ET             3,796,746     2,909,627        30.5
XLP      SPDR-CONS STAPLE            20,304,490    15,564,048        30.5
TAP      MOLSON COORS-B               2,041,515     1,565,180        30.4
RDC      ROWAN COMPANIES              6,504,318     4,992,285        30.3
ITT      ITT CORP                     5,875,669     4,512,144        30.2
P        PANDORA MEDIA IN             8,051,263     6,185,148        30.2
UGP      ULTRAPAR PA-ADR                659,095       507,387        29.9
COF      CAPITAL ONE FINA             9,894,481     7,617,515        29.9
TRV      TRAVELERS COS IN             9,708,814     7,480,063        29.8
SLF      SUN LIFE FINANCI             2,444,862     1,889,151        29.4
LNT      ALLIANT ENERGY               1,257,316       971,695        29.4
RES      RPC INC                     15,903,427    12,317,808        29.1
UNS      UNISOURCE ENERGY             1,699,918     1,317,083        29.1
DY       DYCOM INDS                   1,264,494       981,462        28.8
EMB      ISHARES-JPM EM B             1,146,735       891,646        28.6
NOR      NORANDA ALUMINUM             1,686,977     1,311,769        28.6
TSS      TOTAL SYS SERVS              1,506,769     1,173,833        28.4
LFL      LAN AIRLINES-ADR             3,321,252     2,590,986        28.2
BCO      BRINK'S CO/THE               1,860,303     1,451,798        28.1
VMI      VALMONT INDS                   647,165       506,120        27.9
STON     STONEMOR PARTNER               289,892       226,718        27.9
KGC      KINROSS GOLD                 5,363,086     4,195,604        27.8
WEC      WISCONSIN ENERGY             5,283,374     4,138,187        27.7
BGU      DIR LG CAP BL 3X               412,450       323,341        27.6
ARR      ARMOUR RESIDENTI             8,884,626     6,966,431        27.5
UNP      UNION PAC CORP               6,553,166     5,138,537        27.5
RTN      RAYTHEON CO                  6,438,037     5,059,953        27.2
MOO      MKT VECT-AGRIBUS               744,551       585,354        27.2
HTS      HATTERAS FINANCI             4,644,593     3,652,364        27.2
CMP      COMPASS MINERALS             1,313,846     1,035,234        26.9
TGT      TARGET CORP                 10,513,515     8,285,294        26.9
BPL      BUCKEYE PARTNERS               405,695       319,896        26.8
LPR      LONE PINE RESOUR               795,760       628,835        26.5
SYA      SYMETRA FINANCIA             2,185,661     1,728,266        26.5
FLT      FLEETCOR TECHNOL               787,307       623,422        26.3
MWV      MEADWESTVACO COR             2,588,725     2,055,853        25.9
IMPV     IMPERVA INC                    464,283       369,338        25.7
KCP      KENNETH COLE-A                 390,652       310,826        25.7
MNR      MONMOUTH REIT-A              1,253,471       998,414        25.5
AEE      AMEREN CORP                  4,413,771     3,517,717        25.5
HBC      HSBC HOLDING-ADR             4,428,693     3,532,108        25.4
GAZ      IPATH DJ-UBS NAT             1,234,121       984,495        25.4
DG       DOLLAR GENERAL C             4,767,119     3,804,545        25.3
SXI      STANDEX INTL CO                360,886       288,146        25.2
MS       MORGAN STANLEY              20,195,116    16,125,481        25.2
DUG      PROSHARES ULTRA                830,538       663,175        25.2
OSK      OSHKOSH CORP                 2,358,303     1,885,185        25.1
KRC      KILROY REALTY                6,158,450     4,926,268        25.0
RE       EVEREST RE GROUP               659,432       527,751        25.0
MAS      MASCO CORP                  23,877,598    19,109,683        25.0
NBR      NABORS INDS LTD             10,232,242     8,203,291        24.7
VAL      VALSPAR CORP                 1,809,239     1,452,880        24.5
SUP      SUPERIOR INDS                  977,608       785,433        24.5
LEG      LEGGETT & PLATT             12,488,030    10,054,702        24.2
RSE      ROUSE PROPER                 1,812,247     1,459,486        24.2
IVV      ISHARES-S&P 500              1,405,769     1,132,968        24.1
WAB      WABTEC CORP                    322,185       260,075        23.9
IWC      ISHARES-RUSS M/C               738,415       596,559        23.8
KR       KROGER CO                   16,360,318    13,227,978        23.7
VQ       VENOCO INC                   1,243,803     1,005,826        23.7
CE       CELANESE CORP-A              2,221,006     1,798,136        23.5
WNR      WESTERN REFINING            14,285,684    11,575,236        23.4
CBB      CINCINNATI BELL             20,041,921    16,243,476        23.4
DHX      DICE HOLDINGS IN             4,849,026     3,931,666        23.3
SCHW     SCHWAB (CHARLES)            41,323,622    33,521,155        23.3
SB       SAFE BULKERS INC               304,423       247,376        23.1
QLD      PRO ULT QQQ                    748,510       608,294        23.1
OCN      OCWEN FINL CORP              4,314,535     3,508,532        23.0
WR       WESTAR ENERGY IN             1,941,508     1,578,835        23.0
RSO      RESOURCE CAPITAL             3,810,749     3,104,423        22.8
VALE     VALE SA-SP ADR              41,266,494    33,633,117        22.7
BIO      BIO-RAD LABS-A                 294,335       240,099        22.6
PBS      POWERSH-MEDIA PT               823,019       672,210        22.4
SWN      SOUTHWESTRN ENGY            14,950,952    12,220,737        22.3

*-- Data includes ETF positions.

-- Bloomberg News

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