The yen and the Australian dollar are the standout performers as the US dollar takes a breather in Asian trade.
The Japanese currecny was 0.1 per cent stronger at ¥110.81 per dollar and eyeing a second straight day of gains.
The Australian dollar, which last week suffered its biggest weekly fall of 2017, was up 0.1 per cent at $0.7509 after a flat session on Monday.
The dollar index, a measure of the US currency against a basket of global peers, was flat at 101.03 after dropping 0.2 per cent on Monday.
The British pound was up by 0.1 per cent, while the euro was down by as much.