Top Analyst Upgrades and Downgrades (CELL, CHK, CEO, DLR, DOW, DRYS, GFI, HMY, ISSI, KMP, KGC, NTSP, NRG, RIMM, SNDA, TIF, YZC)

These are some of this Tuesday’s key analyst upgrades, downgrades, and initiations seen in Wall Street research calls.

Brightpoint Inc. (NASDAQ: CELL) Cut to Hold at Jefferies.
Chesapeake Energy Corporation (NYSE: CHK) Cut to Sell at Argus.
CNOOC Limited (NYSE: CEO) Raised to Overweight at HSBC.
Digital Realty Trust (NYSE: DLR) Started as Buy at Jefferies.
The Dow Chemical Company (NYSE: DOW) Started as Outperform at Macquarie.
DryShips Inc. (NASDAQ: DRYS) Started as Neutral at Goldman Sachs.
Gold Fields Limited (NYSE: GFI) Cut to Equal-weight at Morgan Stanley.
Harmony Gold (NYSE: HMY) Cut to Underweight at Morgan Stanley.
Integrated Silicon Solution  (NASDAQ: ISSI) Raised to Buy at Auriga.
Kinder Morgan Energy Partners (NYSE: KMP) Cut to Market Perform at Morgan Keegan.
Kinross Gold Corporation (NYSE: KGC) Raised to Outperform at Credit Suisse.
NetSpend Holdings (NASDAQ: NTSP) Started as Outperform at William Blair.
NRG Energy, Inc. (NYSE: NRG) Started as Neutral at Goldman Sachs.
Research In Motion Ltd. (NASDAQ: RIMM) Raised to Buy at Jefferies.
Shanda Interactive (NASDAQ: SNDA) Cut to Hold at Auriga.
Tiffany & Co. (NYSE: TIF) Started as Overweight at Morgan Stanley.
Yanzhou Coal Mining Co. Ltd. (NYSE: YZC) Raised to Buy at Citigroup.

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JON C. OGG