Analysts' Actions: ACN AMZN FB GS XOM

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Accenture ( ACN) was initiated with a buy rating at UBS. Based on bookings, revenues should see reacceleration, and EPS growth of 17% is expected in the second half of the year, UBS said. Price target is $85.

Actavis ( ACT) was upgraded to buy at TheStreet Ratings.

Amazon ( AMZN) was initiated with a neutral rating at UBS. The company's secular positioning is a positive, but operating costs remain a headwind given investment mode, UBS said. Price target is $275.

Sothebys ( BID) was upgraded to buy at TheStreet Ratings.

Buffalo Wild Wings ( BWLD) was initiated with a neutral rating at Credit Suisse. $92 price target. Acquisitions add risk to the model, Credit Suisse said.

CME Group ( CME) was downgraded at Credit Suisse to neutral from outperform. Valuation call, Credit Suisse said.

DaVita HCP ( DVA) was upgraded at Deutsche Bank to buy from hold. $136 price target. Less concerned about HCP's year-over-year earnings trajectory, Deutsche said.

eBay ( EBAY) was upgraded at Topeka Capital Markets to buy from hold. $65 price target. Management should continue to execute on its growth strategy, Topeka Capital Markets said.

EZCorp ( EZPW) was downgraded at FBR Capital Markets to underperform from market perform. $17.50 price target. Company is highly leveraged to the U.S. and gold, FBR Capital Markets said.

Facebook ( FB) was initiated with a neutral rating at UBS. Monetization of mobile, a focus on protecting the user experience, and high investment needs will create a drag on performance in 2013, UBS said. Price target is $26.

F5 Networks ( FFIV) was upgraded at Robert Baird to outperform from neutral. Checks show better demand in traditional markets and security, Baird said.

GNC Holdings ( GNC) was upgraded at Deutsche Bank to buy from hold. $50 price target. Investor fear seems more than discounted into shares, Deutsche said.

Groupon ( GRPN) was initiated with a sell rating at UBS. Uncertainty about the business model, recent operating trends and changing management drive the cautious stance, UBS said. Price target is $4.40.

Goldman Sachs ( GS) was downgraded at Bank of America/Merrill Lynch to neutral from buy. Valuation call, based on a $155 price target, BofA/Merrill said.

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