US stock futures traded mixed on Wednesday as Wall Street awaited key reports that could shape the Federal Reserve's next interest-rate decision and provide insight on the broader economic outlook. Dow Jones Industrial Average futures (YM=F) slipped 0.2%. Contracts on the S&P 500 (ES=F) nudged up roughly 0.2%, while those on the tech-heavy Nasdaq 100 (NQ=F) held just above the flat line. On Tuesday, stocks hit fresh records on the heels of a revision to US job numbers that confirmed a slowdown in the la ...