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Top Analyst Upgrades & Downgrades (ACI, AMT, BRK-B, CLF, CCI, DE, DPZ, GES, LOW, LULU, SINA, SNN, WNR, WAG, SLF, WPI, TEVA)

Jon C. Ogg

Source: Jon Ogg

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

Arch Coal, Inc. (NYSE: ACI) named as Bear of the Day with a $13.00 price target at Zacks.
American Tower Corporation (NYSE: AMT) Started as Outperform at Macquarie.
Berkshire Hathaway Inc. (NYSE: BRK.B) named as Bull of the Day with a $91.00 price target at Zacks.
Cliffs Natural Resources Inc. (NYSE: CLF) Raised to Outperform at Credit Suisse.
Crown Castle International Corporation (NYSE: CCI) Started as Outperform at Macquarie.
Deere & Company (NYSE: DE) named as value stock of the day at Zacks.
Domino’s Pizza, Inc. (NYSE: DPZ) Started as Hold at KeyBanc.
Guess? Inc. (NYSE: GES) Cut to Neutral at Citigroup.
Lowe’s Companies Inc. (NYSE: LOW) Raised to Buy at Goldman Sachs.
Lululemon Athletica Inc. (NASDAQ: LULU) Raised to Buy at KeyBanc.
Sina Corporation (NASDAQ: SINA) Raised to Buy at Deutsche Bank
Smith & Nephew plc (NYSE: SNN) Raised to Overweight at Morgan Stanley.
Western Refining Inc. (NYSE: WNR) Raised to Outperform at Credit Suisse.

Argus made changes to its institutional model portfolio: added shares of Walgreen Co. (NYSE: WAG) and sold out of shares of Sun Life Financial Inc. (NYSE: SLF).

Credit Suisse is out positive on generics saying that the news flow on generic Lipitor has obscured the bigger picture on Watson Pharmaceuticals, Inc. (NYSE: WPI) and Teva Pharmaceutical Industries Limited (NASDAQ: TEVA). The firm recommends buying WPI after its recent weakness as strong fundamentals just got cheaper.  It also recommends buying TEVA for the longer term and as a turnaround story for 2012.

JON C. OGG