NPR reported that Harvard University economics professor Kenneth Rogoff said the dollar hasn't weakened this much since then-President Richard Nixon canceled the convertibility of the dollar to gold in the 1970s.

The U.S. dollar was steady on Thursday after retreating from a two-week high versus major peers, as markets took U.S. President Donald Trump's latest tariff salvos in their stride, except in Brazil where a threatened 50% levy sent the real sliding.

The U.S. dollar edged lower on Thursday, retreating from a two-week high against major currencies, as markets shrugged off President Donald Trumps latest tariff threats. Risk sentiment held strong, with investors buoyed