AppLovin and Robinhood added to S&P 500

KEY POINTS

• AppLovin and Robinhood will join the SP 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 companyAppLovinand stock trading appRobinhood Marketseach jumped about 7% in extended trading on Friday after SP Global said the two will join the SP 500 index.

  The changes will go into effect before the beginning of trading on Sept. 22, SP Global announced in a statement. AppLovin will replaceMarketAxess Holdings, while Robinhood will take the place ofCaesars Entertainment.