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.

Garmin ( GRMN) estimates lowered at Oppenheimer through 2013, Oppenheimer said. Macro weakness in Europe has dampened demand. Perform rating.

McDonald's ( MCD) estimates, target reduced at Credit Suisse.Shares of MCD now seen reaching $104, according to Credit Suisse. Estimates also cut, given lower realized sales. Outperform rating.

McDonald's numbers lowered at UBS. Shares of MCD now seen reaching $104, UBS said. Estimates also lowered to further account for currency and softer than expected sales in Europe. Buy rating.

Oracle ( ORCL) target lowered at Jefferies to $31, Jefferies said. Channel work suggests hardware was weak. Hold rating.

Riverbed Technology ( RVBD) numbers cut at UBS. Shares of RVBD now seen reaching $18, UBS said. Estimates also lowered on weak EU and enterprise. Neutral rating.

Weyerhaeuser ( WY) added to Conviction Buy List at Goldman. Wood products prices remain strong in North America. $25 price target.

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