Wall St opens up, S&P 500 near record

Traders work on the floor of the New York Stock Exchange September 17, 2014. REUTERS/Brendan McDermid

NEW YORK (Reuters) - U.S. stocks opened higher on Thursday, with the S&P 500 on track to test resistance at its record high a day after the U.S. Federal Reserve renewed its commitment to keeping interest rates low. The Dow Jones industrial average rose 38.76 points, or 0.23 percent, to 17,195.61, the S&P 500 gained 4.73 points, or 0.24 percent, to 2,006.3 and the Nasdaq Composite added 15.30 points, or 0.34 percent, to 4,577.49. (Reporting by Ryan Vlastelica; Editing by Bernadette Baum)