SpaceX IPO live updates: Record-setting IPO prices at $135 a share

We have liftoff. SpaceX priced 555.6 million shares in its hugely anticipated IPO at $135 each late Thursday, making history as the largest public offering of all time. The record-setting deal raised $75 billion for Elon Musk's rocket company and awarded it a valuation of about $1.75 trillion, as…