(FILES) Tesla and SpaceX CEO Elon Musk gestures as he steps on stage during a rally for former US President and Republican presidential candidate Donald Trump at Madison Square Garden in New York, October 27, 2024. Elon Musk's SpaceX began its first day as a public company on Wall Street on June 12, 2026, after the biggest initial public offering in history, with the polarizing entrepreneur promising he will take humanity to Mars. The blockbuster operation, which raised more than $75 billion, is expected to make Musk the world's first trillionaire and kick off a series of major IPOs by AI companies in the coming months. (Photo by ANGELA WEISS / AFP via Getty Images)