Will SpaceX's blockbuster IPO soar or sputter? Past IPOs offer clues.

MoneyWatch Will SpaceX's IPO soar or sputter? Past IPOs offer clues. .chip { background-image: url('/fly/bundles/cbsnewscore/images/chip-bgd/chip-bgd-moneywatch.jpg'); } By Mary Cunningham Mary Cunningham Reporter, MoneyWatch Mary Cunningham is a reporter for CBS MoneyWatch. She previously worked at "60 Minutes," CBSNews.com and CBS News 24/7 as part of the CBS News Associate Program. Read Full Bio Mary Cunningham June 10, 2026 / 3:35 PM EDT / CBS News Add CBS News on Google Previous large initial public offerings suggest SpaceX investors could be in for a bumpy ride after Elon Musk's rocket company goes public on Friday. Companies staging major IPOs often see their share price surge over the first several days or weeks of trading, but then return to earth. Such stocks routinely fall below their offering price after a year."Historically, major IPOs have tended to have a good deal of volatility over the first 12 months," said Sam Grelck, an equity strategy analyst at Truist Advisory Services, a unit of Truist Financial. "Even those that have performed well in many cases have tended to have pretty significant drawdowns at some point."To be sure, there are exceptions. For example, shares of online video company Zoom Communications soared after their 2019 market debut and remained 142% to the good after the offering, according to Truist data. Over the longer term, IPOs are a crapshoot. A Truist analysis of 30 sizable technology IPOs over the past 15 years found that the companies had an average maximum loss of 55% in their first year of trading. More than half of those offerings posted negative returns a year after their debut. "The near term — so one week, one month, three months — is stronger," Grelck said. "As you get to longer horizons, those drawdowns and the negative returns start to come in a little bit more."Separate data from Jay Ritter, an IPO expert and professor at the University of Florida's Warrington College of Business, al...