UPGRADES:
* Amgen (AMGN) to buy: Lazard
* Coach (COH) to buy: Canaccord Genuity
* Changyou (CYOU) to buy: CLSA
* Compressco Partners (GSJK) to outperform: Raymond James
* Flextronics (FLEX) to buy: Goldman Sachs
* Freescale Semi (FSL) to buy: Goldman Sachs
* LSI Corp. (LSI) to buy: Goldman Sachs
* Luminex (LMNX) to neutral: Cowen
* Tumi (TUMI) to outperform: Credit Suisse
* Targa Resources (NGLS) to outperform: Robert Baird
* Vivus (VVUS) to buy: Lazard
DOWNGRADES:
* Atmel (ATML) to neutral: Goldman Sachs
* Agrium (AGU) to neutral: Macquarie
* American Tower (AMT) to neutral: Credit Suisse
* BHP Billiton (BHP) to hold: Investec
* Children’s Place (PLCE) to market perform: BMO capital
* Dole Food (DOLE) to hold: BB&T Capital
* East West Bancorp (EWBC) to equalweight: Morgan Stanley
* Federal Realty (FRT) to underperform: RBC Capital
* Gilead Sciences (GILD) to neutral: Lazard
* Heckmann Corp. (HEK) to hold: Craig-Hallum
* Health Net (HNT) to underperform: BMO Capital
* Knight Capital (KCG) to underperform: Keefe Bruyette
* Leap Wireless (LEAP) to underperform: Robert Baird
* Lamar (LAMR) to above average: Caris
* Red Robin Gourmet (RRGB) to neutral: Sterne Agee
* Sanmina-SCI (SANM) to sell: Goldman Sachs
* Smithfield Foods (SFD) to underweight: Morgan Stanley
* Tyson Foods (TSN) to overweight: Stephens
* Voyager Oil & Gas (VOG) neutral: Global Hunter
* WMS Industries (WMS) to reduce: Nomura
* WMS Industries (WMS) to underweight: JPMorgan
* WMS Industries (WMS) to underperform: BofA Merrill
INITIATIONS:
* Alexion (ALXN) Neutral: Lazard
* Biomarin (BMRN) buy: Lazard
* Campbell Soup (CPB) hold: Jefferies
* Concur Technologies (CNQR) buy: Nomura
* Dell (DELL) neutral: UBS
* Hewlett-Packard (HPQ) sell: UBS
* Incyte (INCY) neutral: Lazard
* NetApp (NTAP) buy: UBS
* NetSuite (N) neutral: Nomura
* Questcor (QCOR) buy: Lazard
* Pharacyclics (PCYC) buy: Lazard
* Oil States (OIS) buy: Dahlman Rose
* Regeneron (REGN) neutral: Lazard
* Ultimate Software (ULTI) neutral: Nomura
* VF Corp. (VFC) neutral: Wedbush
* Vertex Pharma (VRTX) buy: Lazard
* Wal-Mart (WMT) overweight: Stephens