6607 Key Research: Evercore cuts GRPN, Jefferies raises AAPL pt & downgrades VVUS, Wells upgrades VIAB Key Research: JPM upgrades COG & initiates HFC/VLO (neut's) and PSX/TSO (ow's), FBR initiates FCEL Key Research: Susquehanna initiates SF (neut), Wedbush initiates KKD (op), Northcoast initiates C0