SpaceX goes public in the largest IPO ever, and Musk crosses the trillion-dollar line (opens in new tab)

SpaceX began trading on the Nasdaq on Friday under the ticker SPCX, and the numbers attached to the debut are the kind that usually require a footnote to believe. The company priced 555.6 million Class A shares at $135 on Thursday evening, raising roughly $75 billion and valuing the firm...