JPMorgan Chase CEO Jamie Dimon said in a new interview that tariffs are an economic tool that could boost inflation but could be useful for addressing national security concerns.

The JPMorgan Chase chief executive, who had warned of the negative effect of tariffs, said they could be justified for national security reasons.

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,