Key Takeaways JPMorgan Chase CEO Jamie Dimon on Wednesday said the U.S. stock market was "kind of inflated," one of the reasons he's less optimistic than some of his peers about the economic outlook.President Donald Trump on Monday inherited the most expensive stock market in U.

Jamie Dimon, the billionaire head of the U.S.’ biggest bank, lauded Tesla CEO Elon Musk, the richest man on the planet and a key part of President Donald Trump’s administration, on Wednesday, squashing a long-running beef between the billionaires’ companies as Dimon becomes the latest billionaire warming to Musk or Trump.

JPMorgan Chase & Co. Chief Executive Officer Jamie Dimon said there are signs that the US stock market is overheated.

“If it’s a little inflationary, but it’s good for national security, so be it. I mean, get over it,” JPMorgan Chase CEO Jamie Dimon told CNBC on Wednesday from the World Economic Forum in Switzerland. “National security trumps a little bit more inflation.”

JPMorgan Chase CEO Jamie Dimon, who oversees the country’s largest bank, said Wednesday that Americans need to “get over it” when it comes to President Donald Trump’s tariff plans driving up prices, as many economists have warned they will.

JPMorgan Chase CEO Jamie Dimon described tariffs as one way to get other countries to address unfair trade balances and boost national security.

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 said Wednesday the looming tariffs that President Donald Trump is expected to slap on U.S. trading partners could be viewed positively.

Businesses worldwide and mainstream economists are fretting about higher prices as President Donald Trump unveils his tariff-heavy economic strategy. But Jamie Dimon, CEO of the world’s largest bank,