Grifols, S.A. (NASDAQ: GRFS) Berenberg raises rating to buy from hold
Tahoe Resources (NYSE: TAHO) Raymond James raises to strong buy from outperform
First Interstate Bancsystem (NASDAQ: FIBK) FIG Partners raises to outperform from market perform
WPX Energy (NYSE: WPX) CapitalOne raises to outperform from equal-weight
Flagstar Bancorp (NYSE: FBC) Sandler O'Neill raises to buy from hold
Quidel (NASDAQ: QDEL) Canaccord Genuity lowers rating to hold from buy, price target to $18.00 from $22.00
American Science & Engineering (NASDAQ: ASEI) The Benchmark Company lowers to hold from buy with $30.00 price target
UBS AG (NYSE: UBS) Kepler lowers to hold from buy
BioCryst Pharma (NASDAQ: BCRX) Needham lowers to hold from buy
Ultragenyx Pharma (NASDAQ: RARE) H.C. Wainwright initiates coverage at buy with $104.00 price target
Metabolix (NASDAQ: MBLX) Rodman & Renshaw starts at buy with $3.00 price target
Glaukos (NYSE: GKOS) Piper Jaffray starts at overweight with $19.00 price target
ABB Ltd (NYSE: ABB) Exane BNP Paribas resumes coverage at underperform
Qualys (NASDAQ: QLYS) Credit Suisse resumes at outperform
Regal-Beloit (NYSE: RBC) Wunderlich lowers price target to $67.50 from $81.00 with buy rating
Clorox (NYSE: CLX) B. Riley & Co. raises price target to $102.00 from $101.00 with neutral rating
Yelp (NYSE: YELP) MKM Partners lowers price target to $19.00 from $30.00 with neutral rating
Lions Gate Entertainment (NYSE: LGF) Barrington Research lowers price target to $30.00 from $39.00 with outperform rating
Virtusa (NASDAQ: VRTU) Barrington Research lowers price target to $50.00 from $67.50 with outperform rating
