The U.S. dollar reached a four-week peak against a basket of major currencies on Friday as investors sought its safe-haven status on the possibility of a U.S. military strike on Syria.
The dollar index, which tracks the greenback against a basket of six major currencies, was up 0.1 percent at 82.064, after earlier hitting a four-week high of 82.263 as soft euro zone data hurt the euro and amid worries about Syria.
U.S. Secretary of State John Kerry made a broad case for limited U.S. military action against Syria for its alleged use of chemical weapons, saying it could not go unpunished for such a "crime against humanity."
"Today's combination of risk aversion (on Syria) and expectations of Fed tapering next month suggest we will have continued dollar strength next week," said Camilla Sutton, chief currency strategist at Scotiabank in Toronto.
"Next week should be quiet leading up to Friday's nonfarm payrolls report, but the technicals and fundamentals suggest we have entered a new period of U.S. dollar strength," she said.