US stock futures nudged slightly lower Wednesday morning as Wall Street waited for the Federal Reserve’s final policy decision of the year. Dow Jones Industrial Average futures (YM=F) and contracts tied to the S&P 500 (ES=F) fell about 0.1%. Futures on the Nasdaq 100 (NQ=F) 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. Markets are pricing in a nearly 90% chance the central bank will deliver its th ...