The dollar was steady on Thursday, being underpinned by the Federal Reserve’s new Chairman Jerome Powell comments over the state of U.S. economy.
The dollar index soared to a five-week peak of 90.746.
The yen slipped almost to 106.80 per greenback.
The euro sank to $1.21835, its nadir since Jan. 18.
Sterling slumped to $1.3743, its trough since mid-January.
The Aussie lost 0.5 percent to $0.7726, having briefly slipped to as low as $0.7717.