US stocks: SpaceX shares close 19% higher in historic market debut, value surges past $2 trillion

SpaceX's Nasdaq debut shattered expectations, soaring past $2 trillion and becoming the sixth-largest U.S. company. Investors, from institutions to retail fans, celebrated the record-breaking IPO, which raised $75 billion. Despite a reported loss last year, the company's ambitious vision and market opportunity captivated the market, with shares closing up 19%.