Robinhood added to S&P 500.

  • AppLovin and Robinhood will join the S&P 500 index.
  • The changes will go into effect before the beginning of trading on Sept. 22.
  • Datadog and DoorDash entered the index earlier this year.

Shares of advertising technology company AppLovin
and stock trading app Robinhood Markets
each jumped about 7% in extended trading on Friday after S&P Global said the two will join the S&P 500 index.

The changes will go into effect before the beginning of trading on Sept. 22, S&P Global announced in a statement. AppLovin will replace MarketAxess Holdings
, while Robinhood will take the place of Caesars Entertainment
.

In March, short-seller Fuzzy Panda Research advised the committee for the large-cap U.S. index to keep AppLovin from becoming a constituent. AppLovin shares dropped 15% in December, when the committee picked Workday to join the S&P 500. Robinhood, for its part, saw shares slip 2% in June when it was excluded from a quarterly rebalancing of the index.

https://www.cnbc.com/2025/09/05/applovin-robinhood-sp-500.html