UPGRADES:
* Pacific Premier Bancorp (PPBI) to strong buy: Raymond James
* Randgold Resources (GOLD) to overweight: Morgan Stanley
* Transocean (RG) to neutral: Goldman Sachs
DOWNGRADES:
* Bristow (BRS) to sell: Goldman Sachs
* China Telecom (CHA) to neutral: Credit Suisse
* Carnival (CCL) to hold: Jefferies
* Convergys (CVG) to neutral: Macquarie
* Chesapeake Energy (CHK) to hold: Stifel Nicolaus
* Cameco (CCJ) to hold: TD Securities
* CACI Intl (CAI) to neutral: SunTrust
* EPL Oil & Gas (EPL) to hold: Stifel Nicolaus
* Electronic Arts (EA) to neutral: BofA Merrill
* Gevo (GEVO) to sell: UBS
* GT Advanced (GTAT) to hold: Canaccord
* MarketAxess (MKTX) to underperform: Credit Suisse
* Marvell Technology (MRVL) to hold: Canaccord
* Oracle (ORCL) to neutral: Atlantic Equities
* PACCAR (PCAR) to neutral: Robert Baird
* Public Storage (PSA) to market perform: Raymond James
* Royal Caribbean (RCL) to sell: Nordea
* Synnex (SNX) to buy: Needham
* Statoil (STO) to sell: Nordea
* SanDisk (SNDK) to market perform: JMP Securities
* Sigma-Aldrich (SIAL) to neutral: UBS
* Spreadtrum Communications (SPRD) to underperform: Daiwa
* Texas Instruments (TXN) to market perform: Oppenheimer
INITIATIONS:
* Akorn (AKRX) buy: BofA Merrill
* Cepheid (CPHD) overweight: JPMorgan
* Community Health (CYH) buy: SunTrust
* Cogent Communications (CCOI) buy: Pivotal
* Capital Senior Living (CSU) strong buy: Raymond James
* Potlach (PCH) market perform: Raymond James
* Republic Services (RSG) hold: KeyBanc
* Tenet Healthcare (THC) neutral: SunTrust
* TW Telecom (TWTC) buy: Pivotal
* Waste Connections (WCN) buy: KeyBanc
* Waste Management (WM) buy: KeyBanc