Elon Musk‘s SpaceX has reportedly achieved a staggering valuation of nearly $150 billion. <br /><br />What Happened: According to CNBC, the rocket manufacturer’s valuation soared after a share sale by existing investors. <br /><br />The company has agreed to sell up to $750 million in stock from insiders at $81 a share, representing a secondary sale of existing shares, CNBC reported, citing a copy of the purchase offer sent by CFO Bret Johnsen on Thursday.