Shares of Tesla dropped by 14.2% as the market closed Thursday, the electric vehicle company’s 11th-worst day on the market ever. At one point in Thursday’s back-and-forth, Trump threatened the federal contracts that funnel billions toward Musk’s companies.

Shares of Elon Musk’s electric vehicle maker fell sharply Thursday as investors feared his dispute with President Donald Trump will hurt the company. Tesla closed down more than 14% as a

The stock is down about 30% year-to-date, with Musk’s political affiliation with Trump weighing it down in previous months.