The euro edged back towards $1.24 on Thursday as investors shrugged off a rise in long-term U.S. bond yields and sold the dollar.
The dollar edged up on Wednesday, as firm U.S. economic data supported the greenback against the yen.
The dollar steadied on Tuesday as the market's focus shifted back to U.S. trade policy.
More sanctions on Russia are likely to trigger a further sell-off in the ruble, according to one currency expert.
The dollar weakened on Monday and headed towards a two-week low against a basket of rivals on growing signs of relief.
The dollar edged higher against the Japanese yen on Friday, as fading concerns about a possible Western military intervention in Syria helped boost risk appetite among investors.
The dollar rebounded after a four-day losing streak as the threat of a clash in Syria appeared to recede.
The U.S. dollar weakened against the Japanese yen, as uncertainty over possible Western military action against Syria fed risk aversion.
The dollar rose against the yen on Tuesday after Chinese President Xi Jinping's promise to cut import tariffs eased concerns about a trade conflict.
The dollar slipped against a basket of currencies on Monday, on persistent worries about a potential trade conflict between the United States and China.
The dollar fell on Friday, undermined by the ongoing trade dispute between China and the United States and a report showing the U.S. economy in March created the fewest jobs in six months.
The dollar rose to a two-week high on Thursday, encouraged by a rebound on Wall Street and signs the United States may negotiate a resolution to a trade dispute with China.
The dollar recovered against the yen and Swiss franc on Wednesday, bolstered by a rebound on Wall Street.
The dollar rose on Tuesday, led by gains against the yen and Swiss franc, as risk appetite improved and Wall Street's main indexes advanced.
The dollar fell for a second straight session on Monday in generally thin trading as China imposed extra tariffs on U.S. products.
The dollar index, which measures the greenback against a basket of currencies, was up nearly 0.8 percent for the week.
The dollar was little changed against a basket of currencies on Thursday, as its rebound from a five-week low ran out of steam.
The dollar rose to a six-day high, supported by quarter-end flows into the greenback as investors also shook off fears of a trade war.
The dollar rose against a basket of major currencies on Tuesday, rebounding from a five-week low hit earlier in the session, as trade tensions receded.
The U.S. dollar slipped to a five-week low as optimism the US and China are set to begin negotiations on trade helped ease fears of a trade war.