The announcement from Musk comes after Trump signed his self-styled "big, beautiful" tax-cut and spending bill into law on Friday, which Musk fiercely opposed.

Musk, who became the word's richest man thanks to his Tesla car company and his SpaceX satellite firm, spent hundreds of millions on Trump's re-election and led the Department of Government Efficiency from the start of the president's second term aimed at slashing government spending.$BTC