A trader works on the floor of the New York Stock Exchange shortly after the markets open in New York November 7, 2014. U.S. stocks were little changed on Friday, though the Dow and S&P 500 inched up to fresh records as October payrolls data indicated resilience in the face of slowing global

Traders work on the floor of the New York Stock Exchange September 22, 2014. U.S. stocks opened lower on Tuesday, putting the S&P on pace for a third straight fall, as conflict in the Middle East intensified and after the U.S. Treasury moved to curb "tax inversion" deals. The Dow Jones