The dollar rose to three-week highs as the Fed began a policy meeting where it is expected to raise interest rates.
The U.S. dollar retraced most of its early weakness on Monday before the Federal Reserve is expected to hike rates.
The dollar rose against the euro and yen in choppy trading on Friday after data showed the U.S. economy created more jobs than expected last month.
The dollar recovered some ground against the yen as global markets regained some appetite for risk.
The dollar edged higher Wednesday on optimism about U.S. tax legislation and lawmakers' efforts to avert a government shutdown.
The dollar rose for a second straight session on Tuesday, continuing to benefit from optimism surrounding U.S. tax reform.
The dollar hit a three-week high versus the yen after the U.S. Senate approved a major tax overhaul over the weekend.
The euro zone's brightening growth prospects also attracted investors despite falling bond yields.
The dollar slipped to a four-day low against the euro as its rebound after last week's weakness ran out of steam.
The dollar edged higher, as economic growth data and signs of Republicans' tax bill progress helped it rebound from recent weakness.
The dollar gained as risk sentiment improved, and the confirmation hearing of new Federal Reserve chair Jerome Powell kicked off.
The dollar edged higher as traders braced to resume deliberations on the U.S. tax plan and Jerome Powell's confirmation hearing.
The dollar fell to its lowest since late September on Friday as investors grew optimistic about the strength of the euro zone's recovery.
The euro rose for a third consecutive day when a flurry of business surveys pointed to a strengthening growth outlook for the region.
Currency markets were closeted in a tight range in a holiday shortened week in the United States.
The U.S. currency is set to have a disappointing 2018 against the euro, according to currency experts at UBS.
The dollar fell Friday, as Treasury yields slipped and investors remained skeptical of Republicans' efforts to pass tax cuts.
The greenback edged higher, rebounding from a more than three-week low, after the House passed their version of the tax overhaul bill.
Alan Miller, SCM Direct chief investment officer, discusses investing in Russia.
The dollar trimmed losses after data showed a surprise rise in retail sales last month as well as an uptick in underlying inflation.