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

JPMorgan CEO Jamie Dimon sounded the alarm on stocks in an interview today at the World Economic Forum in Davos, Switzerland, saying that the market looks overvalued. "Asset prices are kind of inflated,

JPMorgan Chase (JPM) chief Jamie Dimon said the use of tariffs, an economic weapon, may trigger some inflation, but national security is more important than "a bit more inflation," according to a media report.