"Opinions on Elon Musk have taken a turn for the worse along political affiliations," Stifel analyst Stephen Gengaro said.

And what is more, they are packaging it in electric cars that are already dramatically cheaper than anything from Tesla. Take ...

China EV maker BYD plans to install its self-driving technology on most cars without extra cost, and even cheaper models. Analysts say this could be another hurdle for Tesla.

Experts say he could easily snuff out federal investigations or safety initiatives that have stymied Tesla or his other ...

Tesla's recent delivery figures reveal a significant decline, suggesting that the company's market dominance is waning, ...