NEW YORK ( TheStreet) -- CHANGE IN RATINGS Alliance Data ( ADS) upgraded from Market Perform to Outperform at Keefe, Bruyette & Woods. $149 price target. Estimates also boosted, following positive meetings with management. Amazon.com ( AMZN) rated new Buy at ThinkEquity. $230 price target. Company can continue to gain market share. American Express ( AXP) downgraded at Wells Fargo from Outperform to Market Perform. Valuation call, Wells Fargo said. Baldwin & Lyons ( BWINA) was upgraded to Buy at TheStreet Ratings. Best Buy ( BBY) was upgraded to buy at TheStreet Ratings. eBay ( EBAY) rated new Buy at ThinkEquity. $43 price target. Company continues to expand its addressable market, ThinkEquity said. Google ( GOOG) rated new Buy at ThinkEquity. $714 price target. Company remains well positioned. HollyFrontier ( HFC) downgraded at Credit Suisse to Neutral from Outperform, Credit Suisse said. Valuation call, based on a $40 price target. Janus ( JNS) downgraded at Jefferies from Buy to Hold, Jefferies said. Valuation call, based on a $9.50 price target. Johnson & Johnson ( JNJ) was downgraded to Hold at TheStreet Ratings. Nordstrom ( JWN) upgraded at Goldman from Neutral to Buy, Goldman Sachs said. $65 price target. Estimates also boosted, as the company can gain market share. Allscripts ( MDRX) downgraded at Auriga from Buy to Hold, Auriga USA said. $19 price target. Company faces growth challenges. Magna ( MGA) downgraded at Citi to Sell, Citigroup said. Valuation call. PNC Financial ( PNC) downgraded at Nomura from Buy to Neutral, Nomura said. Regional banks already trade at a premium. Pentair ( PNR) upgraded at William Blair to Outperform, William Blair said. Tyco purchase should add to earnings. Suntrust ( STI) upgraded at Nomura from Neutral to Buy, Nomura said. Company is leveraged to better mortgage growth. TriMas ( TRS) was downgraded to hold at TheStreet Ratings. UBS ( UBS) was downgraded to Sell at TheStreet Ratings. United Continental Holdings ( UAL) was downgraded to Hold at TheStreet Ratings. US Bancorp ( USB) downgraded at Nomura from Buy to Neutral, Nomura said. Valuation call. Wells Fargo ( WFC) upgraded at Nomura from Neutral to Buy, Nomura said. Consensus earnings expectations appear too low. Whole Foods Market ( WFM) was downgraded from Buy to Neutral at Goldman Sachs. Valuation call, based on an $88 price target, Goldman said. Yahoo! ( YHOO) was initiated with a Hold rating at ThinkEquity. $17 price target. Company is facing increased competition, ThinkEquity said.