NEW YORK (AP) — U.S. stocks are leaping Wednesday as a worldwide rally comes back around to Wall Street after President Donald Trump appeared to back off his criticism of the Federal Reserve and his tough talk in his trade war. The S&P 500 was 2.6% higher in midday trading, coming off a big gain Tuesday that more than made up for its steep loss on Monday. The Dow Jones Industrial Average was up 848 points, or 2.2%, as of 11:20 a.m. Eastern time, and the Nasdaq composite was 3.6% higher. Wall Street’s gains followed strong moves higher for stocks…