NEW YORK, Sept 17 (Reuters) - After the S&P 500 failed to stay above a key technical level at 1,130, U.S. stocks turned negative on Friday following a report showing consumer sentiment worsened to its weakest point in more than a year.
The Dow Jones industrial average dropped 14.53 points, or 0.14 percent, to 10,580.30. The Standard & Poor's 500 Index dropped 0.55 points, or 0.05 percent, to 1,124.11. The Nasdaq Composite Index gained 1.35 points, or 0.06 percent, to 2,304.60.