Here are some of the biggest movers of the day: Stock gainers: Shares of Hyatt Hotels Corp.
rallied 5% in after-hours trades after the stock was set to join the S&P MidCap 400 index
Unity Software Inc. shares
rose 6% after the game-engine and app-monetization company announced Chairman and Chief Executive John Riccitiello was leaving the company, less than a month after a botched game-developer fee rollout. ParaZero Technologies
stock rose 13% following a 133% gain on Monday when its drone-making partner gained approval in Australia to fly its drones over populated areas. Stock decliners: PagerDuty Inc. shares
declined 5% in after-hours trade after the IT services software company said it was issuing new notes to cover the purchase of old ones.