Trump also singled-out Mr Musk in his victory speech, spending several minutes praising his rocket firm, Space X. Mr Musk's association with the president-elect also boosted the share price of his electric car maker Tesla - and, with it, his net worth, which now stands at an estimated $290bn.

“The people of America gave @realDonaldTrump a crystal clear mandate for change tonight,” Elon Musk posted on his social media platform X, formerly known as Twitter. The eccentric billionaire, who shared a Photoshopped image of himself carrying a sink ...