NEW YORK (Reuters) - U.S. stocks fell at the open on Wednesday, putting the S&P 500 on track for a third straight decline, as concerns grew over the strength of China's economy.
The Dow Jones industrial average fell 66.69 points, or 0.41 percent, to 16,284.56, the S&P 500 lost 9.24 points, or 0.49 percent, to 1,858.39 and the Nasdaq Composite dropped 22.495 points, or 0.52 percent, to 4,284.693.
(Reporting by Chuck Mikolajczak; Editing by Bernadette Baum)
