search: DB downgrades DRYS & upgrades RNR, Stifel initiates EXAR (buy), Bofa downgrades FMS Key Research: Piper downgrades HRC/HOTT, Baird upgrades FSLR & downgrades ANF, Citi downgrades AGP Key Research: Wells upgrades MANT & initiates MCRL (op), Bofa upgrades EA & downgrades VE, GS initiates AVGO (