RXL/CPSI/QSI (hold's) DB downgrades O, GS downgrades PM, Imperial initiates RAD/RDWR (op), Jefferies cuts ED ••• Citi upgrades MTL (buy), Raja cuts GBX/QCOM/TRN, BMO upgrades HSH, JPM cuts SJM ••• FBR initiates MWW (op), Longbow initiates NAV (neut), Opco downgrades PXD Europe Key Research: ••• JEFF +ve AC