The dollar was on the defensive at the start of the week in Asian trade. The euro climbed up to its strongest level in over a month as forex investors locked in profits after the greenback's recent bout of strength as they waited for U.S. President Donald Trump to offer details of his promised stimulus.
EUR/USD rose more than half a percentage point to 1.0755 while GBP/USD soared to 1.2472. Overall the Dollar Index slipped more than 0.3 percent on the day to 100.21.
Against the safe-haven yen, the buck slumped more than 1 percent to 113.15, edging towards last week's seven-week trough of 112.57 yen.
On Sunday, Trump announced his plans to soon hold talks with the leaders of Canada and Mexico to begin renegotiating the North American Free Trade Agreement, and his administration has also said it intends to withdraw from the Trans-Pacific Partnership (TPP) trade pact.
Data from the Commodity Futures Trading Commission released on Friday, showed that speculators reduced long bets on the U.S. dollar for a second straight week through Jan. 17.
Following the sharp post-election rally which lifted the dollar more than 3 percent higher in a month, the dollar gave up some of those gains against a backdrop of uncertainty surrounding the new president's policies.
