SpaceX is moving ahead with plans for an initial public offering that would seek to raise significantly more than $30 billion, people familiar with the matter said, in a transaction that would make it the biggest listing of all time. The Elon Musk-led company is targeting a valuation of about $1.5 trillion for the entire company, which would leave SpaceX near the market value that Saudi Aramco established during its record 2019 listing. The oil major raised $29 billion at the time....