upgrades RPXC/CYMI/LSI/MU & downgrades AMAT/CODE/FSL/INTC/MCHP & initiates CXS (ew) and WPX (ow) Key Research: Citi upgrades VFC (buy) & downgrades HCS/HMA/LPNT/UHS & AHS/LNCR/SUNH/THC (sells), Opco upgrades RVBD Key Research: GS downgrades GPI/PMCS/SNDK & MCHP/ISIL (sells) & upgrades ALTR/ATML/SMTC (buy), Janney do