Piper Sandler upgrades Pinterest to buy, says stock could rebound 60%

A banner for the online image board Pinterest Inc. hangs from the New York Stock Exchange on the morning Pinterest made its initial public offering, April 18, 2019.
Spencer Platt | Getty Images

Pinterest is set for a big rebound in 2022 as the company puts a scare about user growth in the rearview mirror, according to Piper Sandler.