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.

Elon Musk said he’s carrying out his threat to form a new political party after his fissure with President Donald Trump, announcing on social media that he would form the America Party in response to the president’s sweeping tax cuts law.

Elon Musk's new political party could split the right-wing vote but is unlikely to succeed in any major way, experts have told Newsweek. While Musk cannot run for president because he was born in South Africa,