Tesla stock is sliding on Monday after CEO Elon Musk's latest foray into politics, and Wall Street is growing concerned over the loss of EV tax and regulatory credits stemming from Trump's "One Big Beautiful Bill.

Elon Musk's net worth has taken a $15.3 billion hit after the Tesla CEO announced he was to form a new political party. The news sent ripples through financial markets and spooked investors concerned about Musk's political ambitions and possible implications for Tesla's brand and business operations.

Shares in Tesla plunged 6.79% Monday after its CEO Elon Musk said he is forming a new American political party, provoking an irate response from President Donald Trump.