The S&P 500 rose slightly on Wednesday amid the Federal Reserve’s latest pledge to support the economy and the apparent progress in U.S. fiscal stimulus negotiations. The broader-market index closed +0.18% higher, just below a record closing high. The Nasdaq gained +0.5%, notching intraday and closing all-time highs, as Apple and Microsoft each popped more than 2%. The Dow Jones lagged, falling 44 points, or -0.15%.
