The U.S. central bank's two-day policy meeting will end at 2 p.m.
ET (1800 GMT), with investors keenly awaiting Fed Chair Jerome Powell's conference at 2:30 p.m.
ET to gauge the central bank’s rate-hike trajectory.
While the central bank is likely to continue its hiking cycle with a 0.25% move, we think the guidance for future meetings will be considerably more open," said Gabriele Foà, co-portfolio manager at Algebris Investments.
ET, Dow e-minis were up 24 points, or 0.07%, S&P 500 e-minis were up 1.5 points, or 0.04%, and Nasdaq 100 e-minis were down 12.75 points, or 0.1%.