SpaceX, owned by Elon Musk, has filed for an initial public offering with a projected valuation of $1.75 trillion, potentially making it the largest IPO in history. This process is expected to generate fees ranging from $800 million to over $1 billion for banks. SpaceX plans to allocate 30% of shares to retail investors, noting that the company reported a net loss of $4.28 billion in the first quarter.