Analysts' Actions: WY, TRIP, DUK, EMC, ORCL

NEW YORK (TheStreet) -- CHANGE IN RATINGS

Astea International (ATEA) downgraded to sell at TheStreet Ratings.

Atlas Air (AAWW) upgraded at Dahlman from Hold to Buy, Dahlman Rose said. $57 price target. Earnings should improve as the company continues to take delivery of the 747.

Aurizon Mines (AZK) downgraded to hold at TheStreet Ratings.

Brocade (BRCD) upgraded at Cantor from Hold to Buy, Cantor Fitzgerald said. $6 price target. Company can gain market share in fibre channel and strengthen its balance sheet.

Broadcom (BRCM) rated new Outperform at Wedbush. $40 price target. Company has multiple potential growth drivers.

Commercial Metals (CMC) upgraded at Goldman from Sell to Neutral, Goldman Sachs said. Valuation call, based on a $14 price target.

Community Health Systems (CYH) upgraded to Buy at Citigroup to Buy from Neutral, Citigroup said. $30 price target. More positive view of the near term risk/reward around the Supreme Court's healthcare ruling.

Duke Energy (DUK) upgraded at Credit Suisse from Neutral to Outperform, Credit Suisse said. $25.50 price target. Company offers solid growth and yield.

HCA Holdings (HCA) upgraded at Citigroup to Buy from Neutral, Citigroup said. $33 price target. More positive view of the near term risk/reward around the Supreme Court's healthcare ruling.

Healthcare Management (HMA) upgraded at Citigroup to Buy from Neutral, Citigroup said. $9 price target. More positive view of the near term risk/reward around the Supreme Court's healthcare ruling.

NetApp (NTAP) upgraded at Cantor from Hold to Buy, Cantor Fitzgerald said. $38 price target. Company is a market leader and a new flash storage product could help drive growth.

NVIDIA (NVDA) upgraded at UBS to Buy from Neutral, UBS said. $15.50 price target. Positive risk reward and emerging lead role for Windows-on-ARM camp.

Southern Company (SO) downgraded at Credit Suisse from Outperform to Neutral, Credit Suisse said. Valuation call, based on a $49 price target.

TripAdvisor (TRIP) upgraded at Piper to Overweight, Piper Jaffray said. $52 price target. Fundamentals appear attractive over the coming quarters.

Universal Health Services (UHS) upgraded at Citigroup to Buy from Neutral, Citigroup said. $51 price target. More positive view of the near term risk/reward around the Supreme Court's healthcare ruling.

Watson Pharmaceuticals (WPI) downgraded at Piper from Overweight to Neutral, Piper Jaffray said. Growth will likely slow in the coming quarters. $75 price target.

STOCK COMMENTS / EPS CHANGES

EMC (EMC) upgraded at Cantor from Hold to Buy, Cantor Fitzgerald said. $30 price target. Company is a market leader and can continue to expand margins.

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