Risks in the market eased slightly as investors turned their attention to Federal Reserve (Fed) Chairman Jerome Powell's speech early Thursday morning.
Powell's statement will be used as a new indication of future interest rate setting, pending US NFP jobs data on Friday.
The central bank is widely expected to raise interest rates by 50 basis points at its December meeting.
However, investors will first be treated to private sector ADP employment data and preliminary estimates for US gross domestic product (GDP) for the third quarter in the upcoming New York session.
In the Asian session, the dollar greenback eased slightly from the gains recorded in the previous session, seeing the dollar index trade at 106.63 in the Asian session.
Meanwhile, the euro and the pound are back on the rise after going through a gloomy trading session on Tuesday.
Risk-sensitive currencies, the Aussie and New Zealand dollars traded steady amid easing risk conditions.
Optimism over the reopening of sanctions in China helped lift both currencies on Tuesday, but gains faded again during the New York session.
However, the movements recorded by major currencies were limited as investors remained cautious ahead of Powell's speech and key data tonight.