Trader Edward Curran works on the floor of the New York Stock Exchange, Wednesday, May 7, 2025. (AP Photo/Richard Drew) NEW YORK — NEW YORK (AP) — U.S. stocks ended a choppy day higher after the Federal Reserve left its main interest rate alone, as was widely expected, but also warned about rising risks for the U.S. economy. The S&P 500 rose 0.4 per cent Wednesday. The index is coming off a two-day losing streak that had snapped its nine-day winning run. The Dow Jones Industrial Average rose 0.7 per cent, and the Nasdaq composite added 0.3 per cent. Fed…