SpaceX on Monday announced a senior unsecured notes offering and disclosed about $100.8 billion in cash.Shares fell about 8%.The space and artificial intelligence company plans to use the proceeds to pay off bridge financing and other general purpose needs. SpaceX's inaugural bond offering comes days after the company's blockbuster initial public offering, which minted Elon Musk as the world's first trillionaire. The deal raised nearly $86 billion after underwriters exercised the "greenshoe" all...