In his bid to gain control over Greenland, a semi-autonomous territory of Denmark, US President Donald Trump threatened to impose fresh tariffs on imports from eight European countries. The drama sent stocks sliding as investors flocked to gold and other safe-haven assets.

U.S. stocks rose and regained more of their losses for the week.

Wednesday's session was the first time since Oct. 20 of last year that the three indexes each finished higher by more than 1% on the same day.