Wall Street set for flat open; Greek deal talks on tap

U.S. stocks were poised for a flat open on Wednesday after the S&P 500 climbed to its highest level of the year and ahead of a meeting of euro zone finance ministers to discuss plans for Greece's debt. Greek Finance Minister Yanis Varoufakis headed for a showdown with euro zone finance ministers to deal with the nation's debt crisis at a meeting scheduled to start at 11:30 a.m. after his new leftist-led government won a parliamentary confidence vote for its refusal to extend an int