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.

Tesla ( TSLA +4.26%) 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 ).

What Happened? Shares of electric vehicle pioneer Tesla (NASDAQ:TSLA) jumped 4.4% in the afternoon session after the stock's positive momentum continued as reports revealed a significant Cybertruck purchase by Elon Musk's SpaceX.

A Tesla patent hints at potentially working with Starlink in the future. Here's how two Elon Musk connected companies could work together.

The Tesla, SpaceX and X boss says he wouldn’t try it again after seeing what his political foray did to Tesla's sales and image.

CEO Elon Musk confirmed reports about SpaceX's IPO plan as accurate. He responded to an X post by Ars Technica editor Eric Berger, stating, "As usual, Eric is accurate,"

The optimism centers around Chief Executive Officer Elon Musk’s aspiration to turn Tesla into a powerhouse in robotics and AI, the booming technology that has driven global stocks to record highs. The company’s push into autonomous vehicles has drawn praise from analysts, with some saying Tesla will be a “game changer” in this field.

SpaceX is suddenly brushing up against the kind of valuation territory that used to belong almost exclusively to Big Tech and Tesla, forcing investors to ask whether Elon Musk is on the verge of building another $1 trillion giant.