SpaceX on Thursday night raised $75 billion in its IPO, valuing Elon Musk's company at around $1.77 trillion. Why it matters: This is the largest U.S. IPO ever, at least until Anthropic and OpenAI go public later this year, and makes SpaceX one of the world's most valuable companies. Zoom in: SpaceX sold 555.56 million shares at $135 each, as expected. Reports say the offering was very oversubscribed, including by retail investors who were allocated an unusually large number of shares. By th