Ratings on (LPX) (MR) (ROSE) (SAM) Upgraded

Ratings on Louisiana-Pacific Co. (NYSE: LPX), Mindray Medical International Limited (NYSE: MR), Rosetta Resources Inc. (NASDAQ: ROSE) and The Boston Beer Company, Inc. (NYSE: SAM) upgraded by analysts.

TD Newcrest upgraded Louisiana-Pacific Co. (LPX) from a “reduce” rating to a “hold” rating.

Oppenheimer upgraded Mindray Medical International Limited (MR) from a “perform” rating to an “outperform” rating. They have a price target of $32.00 on the company.

Wunderlich upgraded Rosetta Resources Inc. (ROSE) from a “hold” rating to a “buy” rating. They now have a price target of $57.00 on the company, up from $47.00.

HSBC (NYSE:HBC) upgraded The Boston Beer Company, Inc. SAM) from an “underweight” rating to a “neutral” rating.