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, this week, putting an end to years of head-butting between the billionaires’ companies as Dimon becomes the latest billionaire warming to Musk or Trump.

JPMorgan Chase CEO Jamie Dimon and Tesla chief Elon Musk, once adversaries in a prolonged legal battle, have settled their differences, the banker told CNBC in an interview on Wednesday.

"Elon and I hugged it out," Dimon told CNBC in a TV interview at the World Economic Forum's annual event in Davos, Switzerland, Wednesday. "The guy is our Einstein," the JPMorgan chief said. "I'd like to be helpful to him and his companies as much as we can.