India, Jan. 29 -- The major U.S. index futures are currently pointing to a lower open on Wednesday, with stocks likely to move back to the downside following the rebound seen in the previous session.

Concerns about the outlook for interest rates may weigh on the markets ahead of the Federal Reserve's monetary policy announcement this afternoon.

With the Fed widely expected to leave interest rates unchanged, traders will pay close attention to the accompanying statement as well as Fed Chair Jerome Powell's post-meeting press conference.

Recent economic data has led to worries about the Fed leaving rates on hold for a prolonged period, but many economists still expect the central bank to resume cutting rates sometime in the first half of t...