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

Biogen Idec Inc. (NASDAQ: BIIB) Raised to Outperform at Oppenheimer.
Canadian Solar Inc. (NASDAQ: CSIQ) Raised to Neutral at Piper Jaffray.
CBS Corporation (NYSE: CBS) Maintained Outperform as Bull of the Day at Zacks.
CenturyLink Inc. (NYSE: CTL) Maintained Buy with $48 target at Argus.
Deere & Co. (NYSE: DE) Maintained Outperform but cut target to $91 at Credit Suisse.
EMC Corporation (NYSE: EMC) Maintained Outperform but Cut target to $27 at Credit Suisse.
France Telecom (NYSE: FTE) Raised to Neutral at Credit Suisse.
The Hain Celestial Group, Inc. (NASDAQ: HAIN) Cut to Sell at S&P Equity Research (late Wednesday call).
Marathon Oil Corporation (NYSE: MRO) Cut to Neutral as Bear of the Day at Zacks.
McDonald’s Corporation (NYSE: MCD) Raised to Outperform at Oppenheimer.
Nokia Corporation (NYSE: NOK) Raised to Hold at Jefferies.
ProLogis (NYSE: PLD) Cut to Hold at Stifel Nicolaus.
Red Hat, Inc. (NYSE: RHT) Started as Buy at Citigroup.
Starbucks Corporation (NASDAQ: SBUX) Cut to Perform at Oppenheimer.
Teva Pharmaceutical Industries Limited (NASDAQ: TEVA) Started as Outperform at Leerink Swann.

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JON C. OGG