AppLovin and Robinhood added to S&P 500

Group 1 - AppLovin and Robinhood will join the S&P 500 index, effective before trading begins on September 22 [1] - AppLovin will replace MarketAxess Holdings, while Robinhood will take the place of Caesars Entertainment [1] - Following the announcement, shares of both companies increased in extended trading [1] Group 2 - In March, a short-seller advised against AppLovin's inclusion in the S&P 500 [2] - Robinhood's shares dropped 2% in June when it was excluded from a quarterly rebalancing of the index [2] - Other technology companies, such as Datadog and DoorDash, were added to the S&P 500 earlier this year [2] Group 3 - Both AppLovin and Robinhood went public on Nasdaq in 2021 [3]