Atwood Oceanics Inc. (NYSE: ATW) was maintained as an official Buy rating but it was removed from the Conviction Buy List at Goldman Sachs.
Baker Hughes Inc. (NYSE: BHI) was raised to Buy from Neutral at Goldman Sachs.
Cameron International Corp. (NYSE: CAM) was downgraded to Neutral from Buy at Goldman Sachs.
Cisco Systems Inc. (NASDAQ: CSCO) was reiterated as Buy with a $27 price target at Argus. The call is based on new financing and also as it continues to promote Application Centric Infrastructure (ACI) as a better approach to software defined networking.
CommVault Systems Inc. (NASDAQ: CVLT) was raised to Buy from Neutral at Mizuho.
Constellation Brands Inc. (NYSE: STZ) was downgraded to Neutral from Buy at Goldman Sachs.
Facebook Inc. (NASDAQ: FB) was downgraded to Hold from Buy at Argus, but the call was based on valuation as the stock neared its $73 price target. Argus did maintain a Long Term Buy rating on the stock.
General Dynamics Corp. (NYSE: GD) was downgraded to Equal Weight from Overweight at Barclays.
Kinder Morgan Management LLC (NYSE: KMR) was downgraded to Market Perform at Wells Fargo.
Lorillard Corp. (NYSE: LO) was raised to Buy from Neutral at Goldman Sachs.
Martin Midstream Partners L.P. (NASDAQ: MMLP) was raised to Buy from Neutral at UBS.
National Oilwell Varco Inc. (NYSE: NOV) was downgraded to Neutral from Buy at Goldman Sachs.
Patterson-UTI Energy Inc. (NASDAQ: PTEN) was raised to the prized Conviction Buy List from a Neutral rating at Goldman Sachs.
Regeneron Pharmaceuticals Inc. (NASDAQ: REGN) was raised to Buy from Neutral at Citigroup.
Siemens A.G. (NYSE: SI) was raised to Buy from Neutral at Bank of America Merrill Lynch, and it was raised to Overweight from Neutral at J.P. Morgan.
VeriSign Inc. (NASDAQ: VRSN) was downgraded to Market Perform from Outperform at Cowen & Co.
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