But Jamie Dimon, CEO of the world’s largest bank, believes there’s perhaps too much worrying and not enough faith in Trump’s plan. Tariffs are “an economic tool” or “an economic weapon,” depending on how they’re used,

JPMorgan Chase CEO Jamie Dimon has changed his tune on tariffs, saying Wednesday that they're a valuable economic tool. "They're an economic weapon, you know, depending how you use it why you use it,

JPMorgan Chase CEO Jamie Dimon on Wednesday said the U.S. stock market is overvalued and explained why he’s a little more pessimistic about the global economy than your average Wall Street insider.