The U.S. dollar, though, has not attracted overseas safe-haven interest, with the greenback touching a two-week low. The USD was depreciating after economic data revealed a slowing manufacturing sector and unexpectedly weaker activity.

The PowerShares DB U.S. Dollar Index Bullish Fund (NYSEArca: UUP), which tracks a basket of six major world currencies – the euro, Japanese yen, British pound, Canadian dollar, Swedish krona and Swiss franc, dipped 0.2% Friday.

“Dollar-yen is reacting to the Ukraine headline — geopolitical risk hasn’t really been in the picture this week until now,” Charles St-Arnaud, senior economist at Nomura Securities International Inc, said in the article. “It’s one of those that’ll create volatility, depending how it’ll develop. We still need to wait to hear from Russia to see what’s going on.”

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Max Chen contributed to this article.