Below these are the Top Gainers & Losers Stocks May 21, 2012.
Composite Biggest Gainers
Ticker Company Change
CBE Cooper Industries plc 25.14%
PVA Penn Virginia Corporation 17.22%
GDP Goodrich Petroleum Corp. 16.93%
OSIR Osiris Therapeutics, Inc. 14.59%
FRO Frontline Ltd. 13.86%
WPRT Westport Innovations Inc. 11.93%
MMR McMoRan Exploration Co. 11.61%
OSG Overseas Shipholding Group Inc. 11.45%
YOKU Youku Inc. 11.30%
ACHN Achillion Pharmaceuticals, Inc. 10.92%
ATPG ATP Oil & Gas Corp. 10.82%
IVN Ivanhoe Mines Ltd. 10.81%
MTL Mechel OAO 10.77%
AEO American Eagle Outfitters, Inc. 10.49%
SGY Stone Energy Corp. 10.32%
KKD Krispy Kreme Doughnuts, Inc. 10.15%
MCP Molycorp, Inc. 9.88%
NPSP NPS Pharmaceuticals, Inc. 9.68%
MTW Manitowoc Co. Inc. 9.47%
NBR Nabors Industries Ltd. 9.42%
PCYC Pharmacyclics Inc. 9.37%
CLNE Clean Energy Fuels Corp. 9.21%
BGC General Cable Corp. 9.20%
BWS Brown Shoe Co. Inc. 9.01%
URI United Rentals, Inc. 8.68%
CLR Continental Resources Inc. 8.68%
RVBD Riverbed Technology, Inc. 8.56%
HK Halc 8.55%
KORS Michael Kors Holdings Ltd. 8.42%
DSX Diana Shipping Inc. 8.33%
SIMO Silicon Motion Technology Corp. 8.31%
GCA Global Cash Access Holdings, Inc. 8.27%
MLNX Mellanox Technologies, Ltd. 8.15%
KOG Kodiak Oil & Gas Corp. 8.07%
UBNT Ubiquiti Networks, Inc. 8.00%
CHKM Chesapeake Midstream Partners, L.P. 7.91%
AFFY Affymax, Inc. 7.88%
EXH Exterran Holdings, Inc. 7.87%
LNG Cheniere Energy, Inc. 7.81%
Composite Biggest Losers
Ticker Company Chang
FB Facebook Inc. -10.99%
LOW Lowe's Companies Inc. -10.11%
HGT Hugoton Royalty Trust -9.97%
IMPV Imperva Inc. -5.90%
RGR Sturm, Ruger & Co. Inc. -5.88%
EDG Edgen Group Inc. -5.16%
CPL CPFL Energia S.A. -4.65%
EBR Centrais Electricas Brasileiras S.A. -4.53%
TI Telecom Italia SpA -3.75%
TSPT Transcept Pharmaceuticals, Inc. -3.43%
JPM JPMorgan Chase & Co. -2.93%
BAC Bank of America Corporation -2.71%
SPRD Spreadtrum Communications Inc. -2.48%
MAKO MAKO Surgical Corp. -2.44%
BLK BlackRock, Inc. -2.43%
QIHU Qihoo 360 Technology Co. Ltd -2.30%
PEG Public Service Enterprise Group Inc. -2.21%
LNKD LinkedIn Corporation -2.20%
ELP Companhia Paranaense de Energia -2.12%
EXC Exelon Corporation -2.03%
CPB Campbell Soup Co. -1.95%
ABV Companhia de Bebidas Das Americas (AMBEV) -1.67%
E Eni SpA -1.51%
TAM TAM S.A. -1.25%
EXLS Exlservice Holdings, Inc. -1.22%
MS Morgan Stanley -1.20%
AVP Avon Products Inc. -1.06%
AZO AutoZone Inc. -1.05%
ARQL ArQule Inc. -1.04%
GIS General Mills, Inc. -1.03%
Z Zillow, Inc. -1.01%
LNCR Lincare Holdings Inc. -0.98%
ZNGA Zynga, Inc. -0.98%
VIV Telefonica Brasil, S.A. -0.86%
AWAY HomeAway, Inc. -0.81%
BIG Big Lots Inc. -0.76%
ARCT American Realty Capital Trust, Inc. -0.74%
ETN Eaton Corporation -0.73%
GCI Gannett Co., Inc. -0.69%
For the latest updates on the stock market, visit,