SpaceX stock will be available to regular investors. Here’s what to know before clicking on ‘buy’

When SpaceX makes its debut on the U.S. stock market, it wants smaller-pocketed, mom-and-pop investors to play a big role in what may be the biggest IPO ever.Elon Musk’s rocket company, formally known as Space Exploration Technologies Corp., is steering some of its initial public offering of stock directly to what are called “retail” investors. These are people who buy stocks in a brokerage account on their phone, not pension funds or other big “institutional” inves...