Analyst Calls: AXP, COF, DB, DFS, DNDN, HST, KR, ROC, SAFM, STJ, TSN ...

Analyst Upgrades

Sapient (SAPE) to outperform from market perform at Wells Fargo.
Kroger (KR) to buy from neutral at UBS.
Harman (HAR) to overweight from neutral and Deutsche Bank (DB) to neutral from underweight at JPMorgan.
Savient (SVNT) to outperform from market perform at JMP Securities.
LabCorp (LH) to buy from hold at Deutsche Bank.
Optimer Pharm (OPTR) and Landstar System (LSTR) to outperform from neutral at RW Baird.
Essex Property Trust (ESS) to buy from neutral at Janney Capital.
Tyson Foods (TSN) to neutral from sell at Goldman.
Host Hotels (HST) to outperform from sector perform at RBC Capital.
SPX Corp. (SPW) to outperform from market perform at FBR Capital.

Analyst Downgrades

Rockwood Holdings (ROC) to neutral from overweight at JPMorgan.
Vimpel Communications (VIP) to neutral from buy and Sanderson Farms (SAFM) to sell from neutral at Goldman.
CEVA Inc. (CEVA) to hold from buy at Wunderlich.
Camden Property (CPT) to neutral from buy at Janney Capital.
Methanex (MEOH) to outperform from strong buy at Raymond James.
Power Integrations (POWI) to market perform from outperform at BMO Capital.
LifePoint Hospitals (LPNT) to underperform from neutral at Credit Suisse.

Analyst Initiations

American Express (AXP) with an overweight rating, as well as Discover (DFS) and Capital One (COF) at neutral, at JPMorgan.
Chesapeake Lodging (CHSP) with an outperform at Wells Fargo.
NextEra Energy (NEE) with a neutral at Goldman.
Dot Hill Systems (HILL) as a buy at Capstone.
ReneSola (SOL) as a buy at Auriga.
Dendreon (DNDN) with a buy at BofA/Merrill.
St. Jude Medical (STJ) with a buy at Weeden.