SpaceX is set to go public today, likely cementing founder Elon Musk — already the richest person in the world — a trillionaire .

SpaceX is set to debut on the stock market Friday after the largest initial public offering in history, marking a crucial moment for the two-decade-old company that has grown to encompass artificial i...

Musk made the remarks from the company's headquarters in southern Texas before it officially began trading on the US stock exchange.