Musk left his post as head of Trump's Department of Government Efficiency (DOGE) when his special government employee contract ended May 30. While it was initially said that he would continue on in an advisory role, his fierce criticism of Trump's "Big Beautiful Bill" made the departure seem much more final.

Shares in Tesla tanked by as much as 7.6% in premarket trading Monday after its CEO Elon Musk said he is forming a new American political party, provoking an irate response from US President Donald Trump.

Musk Launches "America Party" Amidst Trump Feud and Epstein Troll Tech billionaire Elon Musk reignited his public feud with President Trump on Monday, directly challenging the administration over the lack of arrests in the Jeffrey Epstein case.