Energy Stocks: Winners and Losers

NEW YORK (TheStreet) -- Denbury Resources (DNR) and Whiting Petroleum (WLL) showed strength this past week, while McMoRan Exploration (MMR) and Core Laboratories (CLB) had losses.

Denbury Resources topped the gainers' list last week, jumping 14.4%.

During the week, analysts at Morgan Keegan rated it a favorite pick. They cited a good production profile, a 2012 capital expenditure plan that will be paid for by cash flow and sales of noncore assets, and "respectable" near-term production growth.

Elsewhere, analysts at Raymond James upgraded the stock to strong buy from outperform.

Whiting Petroleum Corp. followed, gaining 11.0% last week.

Meanwhile, CNOOC ( CEO) and Atlas Energy LP ( ATLS) moved up 11.5% and 10.5%, respectively, while Continental Resources ( CLR) rose 12.2%. CNOOC rallied after Beijing raised the threshold of a windfall tax on crude. Last week, the company announced the successful commissioning of the Lufeng (LF) 13-2 adjustment project.

Analysts at RBC Capital markets initiated coverage on Atlas Energy with an outperform rating. Energy stocks rose after crude oil prices gained ground last week.

PetroChina ( PTR) and TransAtlantic Petroleum ( TAT) advanced 10.4% and 8.4%, respectively. Petro China will process 17.5 million metric tons of crude this year at its Dalian plant. The company plans to buy the balance 40% interest in a Canadian oil sands project for $673 million.

McMoRan Exploration closed at $13.63, down 6.3%.

Core Laboratories was down 3.6%.

EXCO Resources ( XCO) tumbled 6.7% as natural gas prices declined to less than $3 last week.

Bristow Group ( BRS) and Sunoco Logistics Partners ( SXL) shed 1.8% and 2.7%, respectively, last week. Analysts at Bank of America have downgraded SXL to underperform.

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