SpaceX stock jumped Monday, testing resistance around its 150 debut price. The surge comes after SpaceX over the weekend conducted back-to-back Falcon 9 launches, while recent filings show the top stakeholders in Elon Musk’s rocket company include Alphabet, Nvidia and Peter Thiel. SpaceX (SPCX) on Saturday completed two separate Falcon 9 missions in short succession, highlighting the company’s rapid launch…