If you work at SpaceX, or ever have, congratulations. You're about to get very rich. On Friday, Elon Musk's Space and AI company debuted on the public markets in the largest initial public offering in history, with the rocket company's valuation surpassing $2 trillion. While mom-and-pop investors are just getting in on the action, SpaceX employees already have a piece. The company puts "heavy emphasis on equity compensation to provide employees with a financial stake in our business and an