SpaceX's surge on debut makes Musk world's first trillionaire

SpaceX began trading on the Nasdaq at $135 a share, valuing the company at nearly $1.8 trillion. Shares closed at $160.95, a 19% gain. Elon Musk became the world's first trillionaire on paper, with his stake worth over $700 billion. Thousands of employees became overnight millionaires.