UPGRADES:
Goldman upgrades shares of Greenhill & Co. (NYSE: GHL) from Sell to Neutral, also boosting its price target from $65 to $75.

Barclays upgrades Dollar Tree (Nasdaq: DLTR) from Equalweight to Overweight. Price target increased from $48 to $64. Wedbush Morgan also upgraded the stock from Underperform to Neutral.

Cowen & Co upgrades Whirlpool (NYSE: WHR) from Neutral to Outperform.

UBS upgrades Knight Transportation (NYSE: KNX) from Sell to Neutral.

Raymond James upgrades Walgreen (NYSE: WAG) from Market Perform to Outperform.

Sterne Agee upgrades Foster Wheeler (Nasdaq: FWLT) from Hold to Buy.

For daily real-time Upgrades go to http://www.streetinsider.com/Upgrades

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