After shedding 0.60% on Wednesday - its largest one day drop in over three weeks - the dollar recovered, rising 0.30% on Thursday.
Trump's latest remarks were a striking deviation from the long-standing practice of both Republican and Democratic administrations refraining from commenting on Federal Reserve policy decisions. It is also highly unusual for a president to comment on the value of the dollar.
However, any dollar rally is likely to meet resistance from the escalating geo-political tensions, which has seen investors again retreat to the safety of gold, yen and the Swiss franc.
The U.S. dropping “the mother of all bombs” in Afghanistan on Thursday appeared to reinforce the safe haven trade. EURUSD is falling on Friday, with the pair last seen below 1.06100.