The dollar fell sharply against major currencies after the Federal Reserve kept interest rates unchanged but reduced its expectations for interest rate hikes in 2016 to two from four on Wednesday.

In a statement many investors regarded as more accommodating for looser policy than expected, the Fed noted that moderate U.S. economic growth and "strong job gains" would allow it to resume tightening monetary policy this year but also said the country continues to face risks from an uncertain global economy.