Key Takeaways Tesla shares tumbled after CEO Elon Musk announced that he plans to start a new political party, reigniting concerns that his attention will turn away from running the EV maker and that a public feud with President Trump will escalate.

Tesla's CEO has proved once again that investors in his EV company would prefer that he stay out of politics and focus on the business.

Musk has not released an official party platform and has reported a false filing of the proposed political party to the Federal Election Commission. Here's what you need to know about the America Party and what this means for Musk's electric car company: Tesla.