Analysts' Actions: AMZN, AXP, PNC

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.

STOCK COMMENTS / EPS CHANGES

Broadcom ( BRCM) estimates, target raised at Auriga USA. Shares now seen reaching $45. Company is leveraged to better mobile and switching demand, Auriga said. Buy rating.

Chipotle ( CMG) estimates, target increased at UBS. Estimates were raised through 2013. Company is seeing solid sales momentum, UBS said. Neutral rating and new $442 price target.

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