UPGRADES:
* Centerpoint Energy (CNP) to outperform: Wells Fargo
* Cemex (CX) to outperform: Credit Suisse
* Canadian Solar (CSIQ) to neutral: Lazard
DOWNGRADES:
* Best Buy (BBY) to underperform: Wedbush
* Cnooc (CEO) to hold: Deutsche Bank
* Clearwire (CLWR) to underperform: RBC Capital
* Equinix (EQIX) to equalweight: Stephens
* Ferrellgas Partners (FGP) to sell: UBS
* Group 1 Automotive (GPI) to hold: KeyBanc
* Republic Airways (RJET) to equalweight: Evercore Partners
* Statoil (STO) to hold: DNB Markets
* Trina Solar (TSL) to neutral: Lazard
INITIATIONS:
* Caesars Entertainment (CZR) underweight: Barclays
* Del Frisco’s (DFRG) outperform: Wells Fargo
* Headwaters (HW) hold: KeyBanc
* iGate (IGTE) neutral: Janney Capital
* Immunogen (IMGN) outperform: Cowen
* SLM Corp. (SLM) no rating, PT $20: Telsey Advisory Group
* Stewart Enterprises (STEI) hold: BOE Securities
* Targa Resources (TRGP) buy: UBS
* Yelp (YELP) market perform: JMP Securities
* Zynga (ZNGA) market outperform: JMP Securities