Major U.S. stock indexes fell more than 2 percent on worries about the Chinese economy and falling oil prices.
The euro was up more than 1 percent against the greenback at $1.0896 ; it hit a one-month low of $1.0709 two days ago.
The single currency was up 0.4 percent at 128.14 yen, rebounding from 126.75 yen, which was the lowest level since mid-April set earlier on Thursday.