Analyst Upgrades for 3/11/2010... Amylin Pharma (NASDAQ:AMLN) initiated as Buy at Merriman... Celestica (NYSE:CLS) initiated as Buy at Collins Stewart... China Cord Blood (NYSE:CO) initiated as Buy at Roth Capital... Clean Energy Fuels (NASDAQ:CLNE) reiterated Buy, price target raised to $26, at Janney Montgomery Scott... Dr Pepper Snapple (NYSE:DPS) upgraded to Buy from Neutral, $42 target, at UBS... eBAY (NASDAQ:EBAY) maintained Overweight, $35 target, at Piper Jaffray... Flextronics (NASDAQ:FLEX) initiated as Buy at Collins Stewart... Goldman Sachs (NYSE:GS) maintained Outperform, Top Pick, $190 target, at FBR... Hershey (NYSE:HSY) upgraded to Sell from Conviction Sell at Goldman... Jabil Circuit (NYSE:JBL) initiated as Buy at Collins Stewart... Jo-Ann Stores (NYSE:JAS) reiterated Buy, price target raised to $45 from $43, at KeyBanc... Level 3 Communications (NASDAQ:LVLT) upgraded to Neutral from Underweight at JP Morgan... ProAssurance (NYSE:PRA) upgraded to Overweight, $76 target, at Piper Jaffray... Sunoco (NYSE:SUN) upgraded to Sell from Conviction Sell at Goldman... Unum Group (NYSE:UNM) initiated as Buy at Goldman...