Elon Musk said he’s back in Texas working on plans for an initial public offering of SpaceX as the company prepares for the largest listing of all time. "We've got to get the SpaceX IPO going pretty soon," Musk said during a virtual appearance at the Samson International Smart Mobility Summit in Tel Aviv. SpaceX could file for an initial public offering as soon as this week, people familiar with the matter said. Bloomberg's Charlie Wells reports.