Stock market today: Dow, S&P 500, Nasdaq diverge with Fed rate decision on deck

US stocks went in different directions on Wednesday as Wall Street waited for the Federal Reserve’s final policy decision of the year. The Dow Jones Industrial Average (^DJI) added 0.5%, and the S&P 500 (^GSPC) hovered above the flat line, reversing direction after the two gauges opened the trading session lower. The tech-heavy Nasdaq Composite (^IXIC) dropped 0.2%. The relatively muted action follows several sessions of sideways trading as investors hold off on big bets ahead of the Fed’s announcement. ...