Solar Winds ( SWI) was upgraded at Morgan Stanley to equal weight. Accelerating volume growth and stabilized sales productivity warrants current valuation, Morgan Stanley said. Price target increased to $67. TCF Financial ( TCB) was downgraded at Oppenheimer to perform from outperform. Valuation call, as the stock has approached the previous $15 price target, Oppenheimer said. Unum ( UNM) was downgraded at J.P. Morgan to neutral. Industry fundamentals remain mixed, J.P. Morgan said. STOCK COMMENTS/EPS CHANGESBank of America ( BAC) price target and estimates were raised at Sterne Agee. Earnings estimates were raised on a more optimistic outlook for market-sensitive revenues and reductions in debt, Sterne Agee said. Price target goes to $13. Noble Energy ( NBL) price target was raised at UBS to $145 after a meeting with management, UBS said. Guidance seems conservative, and cash flow does not reflect deep queue of exploration prospects, UBS said. Panera Bread ( PNRA) numbers were raised at Oppenheimer. Shares are now seen reaching $200. Estimates were also increased, given higher expected sales and falling wheat prices, Oppenheimer said. Outperform rating. Tesoro ( TSO) estimates were increased at UBS. Estimates for 2013 were increased to reflect refining expectations in the first quarter, said UBS. >To submit a news tip, email: firstname.lastname@example.org.