The dollar bounced back versus the yen on Wednesday, while the euro was weighed by concerns over the health of the European financial system.
USD/JPY rose 2.5 percent to 100.82, regaining some footing after hitting a one-month trough of 100.085 on Tuesday.
EUR/USD was steady above 1.1200, hovering below this week's high of 1.1280 set on Monday.
The single currency had slipped lower on Tuesday as share prices in Deutsche Bank, Germany's largest lender, dropped to a record low on concerns about a $14 billion demand from the US Department of Justice.
Against a basket of its major rivals, the dollar edged up 0.1 percent to 95.551.
Data published on Tuesday showed that US consumer confidence strengthened, while service activity grew more than expected.
Fed Vice Chairman Stanley Fischer said on Tuesday the Federal Reserve should avoid raising interest rates too much, a comment that helped to push down 10-year U.S. bond yields to a three-week low, also undermining the dollar.
Despite the Fed's policy statement last week suggesting a probable rate hike in the US in December, money market futures have since then been trimming the possibility of a December hike.
