Oasis Petroleum ( OAS) was downgraded at Canaccord Genuity to hold. Concern that margin expansions have been fully priced into the stock, said Canaccord Genuity. Canaccord also said it sees little remaining upside as production growth slows and the advent of pad drilling presents strong competition. Owens-Corning ( OC) was downgraded to hold at TheStreet Ratings. Panera Bread ( PNRA) was upgraded at Wunderlich to buy from hold. $212 price target. Stock is attractive following a recent pullback as management can improve sales and operating trends, Wunderlich said. SUNE) was upgraded at Bank of America/Merrill Lynch to buy from neutral. Price target was increased to $10. Diversity of their pipeline will grow earnings and attract project capital, BofA/Merrill said. Stanley Black & Decker ( SWK) was downgraded at KeyBanc to hold. Despite positive long-term growth indicators, KeyBanc believes the stock is fully valued despite low-multiple trading, KeyBanc said. Target ( TGT) was downgraded at J.P. Morgan to neutral from overweight. $74 price target. Estimate visibility fading, J.P. Morgan said. Under Armour ( UA) was initiated with a market perform rating at Wells Fargo. Valuation call, Wells said.