August inflation data at 08:30 a.m. ET, meanwhile, could draw some attention.
"As the Fed's two-day meeting gets underway, the data focus in the U.S. will be inflation figures for August," analysts at Daiwa Capital Markets said in a note.
16:22 Trump's first 100 days: Here's what to expect from the market21
12:23 Sterling volatile as market speculates on ‘hard Brexit’; investors await May's speech18
15:02 U.S housing starts surge in December; jobless claims near 43-year low13
09:43 Yellen speech bolsters dollar after Trump's mixed messages16