Elon Musk's public feud with President Donald Trump over the GOP tax package's deficit impact put the federal funding that Tesla and SpaceX have received in the spotlight.

The stock has been on a roller coaster ever since Mr. Trump’s election. The shares are down about 13 percent this week.

Shares of Elon Musk’s electric vehicle maker are falling sharply Thursday as investors fear his dispute with Donald Trump could end up hurting the company.

Organizers had no idea how much, or how far anti-Elon Musk sentiment has spread beyond the epicenter of his influence in the US.

"The easiest way to save money in our Budget … is to terminate Elon's Governmental Subsidies and Contracts," Trump said in a post.

Elon Musk publicly accused Donald Trump of being named in the Epstein files, fueling online backlash and confusion. Crypto Twitter lit up as users reacted to the explosive claim, which remains unverified.

Elon Musk’s decision to go all in on Donald Trump never made much sense. His scorched-earth approach to breaking up with Trump is even harder to square.