By CHRIS DIETERICH And TOMI KILGORE  Friday, June 15, 2012 NEW YORK—Stocks advanced as hopes that central banks stand ready to support global markets following a key Greek election overshadowed dismal U.S. manufacturing data. The Dow Jones Industrial Average rose 58 points, or 0.4%, to 12707 in early trading. The Dow has battled through sharp gains and losses…