What happened Shares of Zoom Video Communications (NASDAQ: ZM), Fastly (NYSE: FSLY), and Square (NYSE: SQ) were all hit hard on Tuesday. Shares of video collaboration platform provider Zoom, edge computing specialist Fastly, and fintech company Square, for instance, surged 400%, 335%, and 250%, respectively. Of course, worries about inflation and interest rates continue to weigh on stocks as well, giving investors even more reasons to do some profit-taking.