Seth Abramson, a biographer of Elon Musk, has made some big claims about the mental health and decision-making of the Tesla and SpaceX CEO, warning that his influence and actions could have dangerous implications for the United States.

Sales of the company’s cars are flagging, but investors are focusing on the potential of autonomous driving and Mr. Musk’s ties to President-elect Donald J. Trump.

Hyundai CEO Jose Munoz said he thinks the Tesla CEO's influence over the Trump administration may be positive for the rest of the auto industry.

Tesla was close to bankruptcy, leading Elon Musk to consider selling the company to Google for $6 billion. The deal was nearly finalized with Musk set to remain at Tesla for eight years. However, a surge in Model S sales and subsequent profits allowed Tesla to recover,

T oday is a day ending in "Y," so of course there's another off-handed remark from Tesla CEO Elon Musk about some new feature planned for one of his companies' products. In this c

Musk's Tesla stake rose by $111 billion — 65% — last year. All but $2 billion of Musk’s Tesla gain and about 98% of what other Tesla shareholders gained came after Election Day, when Musk began hanging out extensively with Donald Trump and started calling himself Trump’s “first buddy.