Investors buying into SpaceX's IPO are making a high-stakes wager that CEO Elon Musk can turn a fast-growing satellite business into something far bigger, using an unproven rocket ​to unlock an ambitious push into AI.

Elon Musk's SpaceX is moving ahead with plans to go public in what some expect will be the biggest IPO ever.

Elon Musk's SpaceX is getting ready to break new records on Wall Street — and make one of the world's wealthiest men even wealthier. The space-launch company filed financial information with regulators to pull off what could be the biggest initial public offering ever in mid-June.

SpaceX's blockbuster public offering is giving everyday traders access that has traditionally been reserved for Wall Street's biggest clients.

But now a single IPO is poised to raise more money alone than all 90 of last year’s IPOs combined—and that means Wall Street will make more money, too. This super-whale is none other than Elon Musk’s SpaceX,