"Trade should not be a weapon," Buffett said. He added that tariffs had "led to bad things." "Just the attitudes it's brought out. In the United States, I mean, we should be looking to trade with the rest of the world and we should do what we do best and they should do what they do best,

Buffett, whose Berkshire Hathaway will host its annual meeting this Saturday, has held his tongue on what Trump’s tariffs mean for economies and markets.

Billionaire investor and philanthropist Warren Buffett criticized Trump's tariffs, saying that protectionist trade policies are "a big mistake."