More than two decades after Elon Musk used money from the sale of PayPal to start a small private rocket company, SpaceX is now preparing for what could become the biggest IPO in stock market history. According to Reuters and multiple reports, SpaceX is targeting a public listing as early as next month at a valuation of nearly $1.75 trillion. The company is looking to raise around $75 billion through the IPO, which would make it one of the