The U.S. dollar rose against major currencies including the yen and euro as President Donald Trump rekindled trade tensions with new tariffs on Canada and other trading partners.

The U.S. dollar has firmed up against its major counterparts, as sentiment toward the greenback improved due to its safe-haven appeal amid the ongoing tariff uncertainties. The U.S. Dollar Index edged up 0.

"Tariffs are coming in at record levels," President Donald Trump said on Tuesday at the White House Cabinet meeting. "The big money will start coming in on August 1st." The president was referencing tariff letters he's sending to other nation's leaders stipulating the tariff levels the U.

Major stock indexes were slightly lower on Friday as U.S. President Donald Trump's announcement of tariffs on imports from Canada fanned worries about trade tensions, with the Canadian dollar down against the greenback.

President Donald Trump says he's prepared to tariff and punish countries that challenge the U.S. dollar as the global reserve currency.