NEW YORK ( TheStreet) - Southern Union (SUG), McMoran Exploration (MMR), SunPower (SPWRA) and Cenovus Energy (CVE - Get Report) were top performers the past week, while STR Holdings (STRI - Get Report), Transatlantic Petroleum (TAT - Get Report) and EXCO Resources (XCO - Get Report) eroded value.
Among the advancers for the week, Southern Union topped the charts, jumping 17.6%, as Williams Cos. offered to buy Southern Union for $4.86 billion in an all-cash transaction, higher than the bid by Energy Transfer Equity LP.
McMoran Exploration rose 13.7% as CEO James Moffett is optimistic on gas finds in the shallow waters of Gulf of Mexico. He believes that new prospects could be valued at $50 to $65 per share. He further added that gas discoveries could have no liquids, but may produce gas liquids if found.
SunPower gained 11.8%.Cenovus Energy advanced 8.3% after equity analyst John Mawdsley at Alta Corp Capital maintained a market outperform rating on the stock with a target price of $42.3 per share. Rosetta Resources (ROSE - Get Report) rose 11.8% over the week. FMC Technologies (FTI - Get Report) moved up 10.9% after the company signed an agreement with Shell Development (Australia) to supply sub-sea production and other related equipment and services used in field development. The company is required to supply seven large-bore sub-sea production trees, riser bases, sub-sea control systems, production manifolds and other related equipment. Nexen (NXY) advanced 10.8%. SM Energy (SM - Get Report) added 10.7% after the company announced plans to sell 12.5% stake in Eagle Ford shale to a Mitsui & Co. subsidiary for $680 million, as the proceeds could be used to develop assets in the shale play. Trina Solar (TSL - Get Report) advanced 10.5% after analysts at Maxim Group rated a new buy on the stock with a price target of $26 per share. Brigantine Advisors equity analyst Ramesh Misra also rated it a buy with a target price of $35 per share. Brigham Exploration (BEXP) increased 10.1% after equity analyst John Selser of IBERIA Capital Partners raised the stock to outperform from sector perform with a target price of $42 per share. Other winners included Swift Energy (SFY - Get Report) up 9.8%, Carbo Ceramics (CRR - Get Report) rose 9.8%, Bristow Group (BRS - Get Report) grew 9.7%, Patterson-UTI Energy (PTEN - Get Report) added 9.5%, Oasis Petroleum (OAS) gained 9.4%, InterOil (IOC) improved 9.3%, National-Oilwell Varco (NOV - Get Report) piled 8.9% and Oil States International (OIS - Get Report) added 8.5%.