Top Analyst Upgrades & Downgrades (BIDU, CRL, CHK, CSCO, CSC, ENER, HUM, IPI, ITT, JCI, NYX, RL, WMT)

These are some of the top analyst upgrades, downgrades, and initiations seen from Wall Street research calls this Thursday morning.

Baidu.com (NASDAQ: BIDU) Raised to Overweight at HSBC.
Charles River Labs (NYSE: CRL) Raised to Hold at S&P Equity Research (late-Wednesday).
Chesapeake Energy Corp. (NYSE: CHK) Raised to Hold at Argus.
Cisco Systems, Inc. (NASDAQ: CSCO) Cut to Hold at Citigroup.
Computer Sciences Corporation (NYSE: CSC) Cut to Hold at S&P Equity Research (late-Wednesday).
Energy Conversion Devices, Inc. (NASDAQ: ENER) Cut to Sell at Citigroup.
Humana Inc. (NYSE: HUM) Cut to Perform at Oppenheimer.
Intrepid Potash, Inc. (NYSE: IPI) Cut to Market Perform at BMO.
ITT Corporation (NYSE: ITT) Cut to Underweight at Morgan Stanley.
Johnson Controls Inc. (NYSE: JCI) Raised to Outperform as the Bull of the Day at Zacks Investment Research.
NYSE Euronext, Inc. (NYSE: NYX) Cut removed from Conviction Buy List at Goldman Sachs; Cut to Sell at S&P Equity Research (late-Wednesday).
Polo Ralph Lauren Corp. (NYSE: RL) Raised to Neutral at BofA/ML; On Credit Suisse focus list and target raised to $150.
Wal-Mart Stores, Inc. (NYSE: WMT) Cut to Neutral at UBS.

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JON C. OGG