Analyst Upgrades

• Argus upgraded Weyerhaeuser (WY) to buy from hold, citing the better-than-expected Q1 report and expectations that the company is about to be profitable. The firm has a $59 target on the stock.
• Weeden upgraded Cameron (CAM) to buy from hold as it views the recent sell-off as overdone.
• Oppenheimer upgraded Mobile Mini (MINI) to outperform from perform based on valuation and what the firm sees as the company's attractive risk/reward ratio. The firm set a $25 target.
• Johnson Controls (JCI) was upgraded to buy from hold at Deutsche Bank.
• EnerNOC (ENOC) was upgraded to buy from neutral at Janney Montgomery.
• Checkpoint (CKP) was upgraded to outperform from neutral at Baird.

Analyst Upgrades

• Citigroup upgraded 3M Company (MMM) to buy from hold on expectations the company will deliver superior financial returns over the next 9 to 12 months and on valuation. The firm raised its target on shares to $92 from $84.
• Deutsche Bank upgraded CA Inc. (CA) to buy from hold as it believes cloud computing could accelerate the company's growth over the next 2 to 3 years. The firm raised its target on shares to $28 from $22.
• Wells Fargo upgraded Cooper Companies (COO) to outperform from market perform as it believes that the company has largely eliminated its execution risks while its new products should enable it to grow more quickly than the market.
• BioMarin (BMRN) was upgraded to buy from hold at Collins Stewart.
• Liquidity Services (LQDT) was upgraded to outperform from perform at Oppenheimer.
• RealNetworks (RNWK) was upgraded to neutral from underweight at JPMorgan.