Elon Musk is selling investors a future of driverless cars, robot assistants and life on Mars. The problem is there’s only one way to buy into his vision: Tesla Inc.’s stock.

Musk saw his wealth jump by $178 billion in just two days, putting his year-to-date gain at a record-breaking $216 billion as investors cheered Tesla’s driverless taxi tests in Texas, according to

A video circulating online appeared to show a Tesla Model Y robotaxi with no safety monitor inside driving on Austin streets.

CEO, Elon Musk, weighed in on a post praising Google-parent Alphabet Inc.'s (NASDAQ: GOOG) new hardware play, and the company's reemergence as the dominant player in the ongoing AI race.

The Tesla Cybertruck is among the company’s pricier offerings with a starting price of $79,990. ・Assuming SpaceX bought only the base variant, it still implies that the company spent about $80 million in acquiring Cybertrucks and potentially over $100 million.

Elon Musk's net worth hits $681 billion, more than double Google co-founder Larry Page's $249 billion wealth, as Tesla's stock surge widens the billionaire gap.

Tesla Inc TSLA shares have soared in recent days thanks to progress being made with the company's autonomous vehicle vision. A U.S. senator could throw cold water on the rally with a bill aimed to disrupt self-driving vehicles.

Tesla ( TSLA +3.44%) stock jumped 4.5% through 1:45 p.m. ET Thursday on some apparently bad news -- that might turn out to be good news for Tesla stock, and for SpaceX stock, too ( once SpaceX IPOs ).