• UBS (NYSE:UBS) upgraded Starbucks (NASDAQ:SBUX) to “buy” from “neutral” with a $29 price target

• Goldman Sachs (NYSE:GS) upgraded Coventry Health Care (NYSE:CVH) to “neutral” and removed the shares from its Conviction Sell List, noting in-line valuation levels

• Piper Jaffray (NYSE:PJC) upgraded Sonic (NASDAQ:SONC) to “overweight” from “underweight,” raising the price target to $12 from $8

• Goldman Sachs (NYSE:GS) upgraded Onyx Pharmaceuticals (NASDAQ:ONXX) to “buy” from “neutral,” taking the price target to $37 from $34

• Citigroup (NYSE:C) upgraded Wal-Mart (NYSE:WMT) shares, with its price target raised to $65

• Goldman Sachs (NYSE:GS) moved Boston Scientific (NYSE:BSX) to its Conviction Sell List, downgrading the shares from “neutral” to “sell.” Yesterday Boston Scientific shares fell 12.6% on news of its plans to pull certain defibrillator models from the market

• After the market closed, Limited Brands (NYSE:LTD) announced plans to pay a special dividend of $1 per share, as well as its approval of a new $200 million share buyback, which includes $31 million of the previous plan

• Discover (NYSE:DFS) is due to report fiscal first quarter earnings after the close today. Analysts expect the company to report a 12 cent profit, up from last year’s 36 cent loss

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