Exclusive-SpaceX IPO demand is approaching four times oversubscribed, source says
By Milana Vinn and Echo Wang NEW YORK, June 9 (Reuters) - Elon Musk's SpaceX has drawn more than $250 billion of investor demand for what stands to be the largest-ever IPO, said people familiar with the matter on Tuesday, dwarfing the $75 billion the firm is seeking to raise.