Analyst Upgrades

• Goldman upgraded BP (BP) to buy from neutral.
• STEC (STEC) was upgraded to buy from hold at Needham.
• MCG Capital (MCGC) was upgraded to buy from hold at BB&T.
• Corporate Office (OFC) was upgraded to market perform from underperform at FBR Capital.
• Citigroup upgraded K-Sea Transportation (KSP) and Post Properties (PPS) to hold from sell.
• BofA/Merrill upgraded Embraer (ERJ) to buy from underperform.
• Wilmington Trust (WL) was upgraded to neutral from underperform at Macquarie.
• Parkway Properties (PKY) was upgraded to hold from sell at Stifel Nicolaus.

Analyst Upgrades

• JMP Securities upgraded Hewlett-Packard (HPQ) to outperform from market perform based on valuation and checks that indicate strength in enterprise PCs, high growth geographies and light laptops. The firm has a $50 target on the stock.
• RBC Capital upgraded Rio Tinto (RTP) to outperform from sector perform, citing the company's improving growth plans and attractive risk profile.
• Goldman upgraded FormFactor (FORM) to neutral from sell, but lowered its price target to $6 from $10. The firm cites valuation for the upgrade.
• MCG Capital (MCGC) was upgraded to outperform from market perform at FBR Capital.
• CRH (CRH) was upgraded to neutral from underweight at JPMorgan.
• Melco Crown (MPEL) was upgraded to overweight from equal weight at Morgan Stanley.