AppLovin stock jumps 7%+ and Robinhood jumps 8%+ in extended trading after S&P Global said the two will join the S&P 500 index on September 22 (Jordan Novet/CNBC)

Jordan Novet / CNBC:
AppLovin stock jumps 7%+ and Robinhood jumps 8%+ in extended trading after S&P Global said the two will join the S&P 500 index on September 22  —  Shares of advertising technology company AppLovin and stoc…

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