Dollar fell against a basket of major rivals for the third session ahead of the Federal Reserve's meeting minutes today.
The index lost 0.3% yesterday, the fourth loss in a row, marking two-week lows at 96.24.
The dollar index tumbled yesterday after 10-year US treasury yields hit 11-day lows.
Now investors await the Federal Reserve's meeting minutes for the January 29-30 meeting, at which policymakers voted to hold rates unchanged below 2.50%.
Former Federal Reserve Chair Janet Yellen surprised the markets by saying the next move by the Fed will probably a rate hike as the global economy slows down and weighs on the US.
The dollar index fell 0.1% to 96.4, with an intraday high at 96.6, and a low at 96.4.