Anadarko Petroleum Corp. (NYSE: APC) was raised to Buy from Hold at Stifel.

Blackhawk Network Holdings Inc. (NASDAQ: HAWK) was raised to Outperform from Market Perform at BMO Capital Markets.

CenterPoint Energy Inc. (NYSE: CNP) was downgraded to Underperform from Outperform at Credit Suisse.

Century Aluminum Co. (NASDAQ: CENX) was started as Buy with a $28 price target at Nomura.

Chimerix, Inc. (NASDAQ: CMRX) was started as Overweight with a $51 price target (versus a $38.17 close) at J.P. Morgan.

EOG Resources, Inc. (NYSE: EOG) was raised to Buy from Hold at Stifel.

Freeport McMoRan Inc. (NYSE: FCX) was downgraded to Neutral from Buy and the price objective was lowered to $19 from $23 (versus a $17.45 close) at Bank of America Merrill Lynch.

GulfMark Offshore Inc. (NYSE: GLF) was downgraded to Neutral from Outperform at Credit Suisse.

Michael Kors Holdings Ltd. (NYSE: KORS) was downgraded to Hold from Buy and the price target was cut to $76 from $97 (versus a $71.56 close) at Canaccord Genuity.

Nordic American Offshore Ltd. (NYSE: NAO) was downgraded to Underperform at Credit Suisse.

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Noble Energy Inc. (NYSE: NBL) was raised to Buy from Hold at Stifel.

Sysco Corp. (NYSE: SYY) was raised to Buy from Hold at Deutsche Bank.

Tenet Healthcare Corp. (NYSE: THC) was raised to Outperform from Market Perform with a $50 price target (versus a $42.22 close) at BMO Capital Markets.

Wix.com Ltd. (NASDAQ: WIX) was started as Outperform with a $25 price target (versus a $18.63 close) at Raymond James.

Xilinx Inc. (NASDAQ: XLNX) was downgraded to Neutral from Buy at Nomura.

Monday’s top analyst upgrades, downgrades and initiations included American Electric Power, Avon Products, Cameron, Deckers Outdoor, LabCorp, Occidental Petroleum, Rangold Resources and Western Union.