Overview
- Robinhood Markets, AppLovin and Emcor will join the S&P 500 before the open on Sept. 22, according to S&P Dow Jones Indices.
- MarketAxess, Caesars Entertainment and Enphase Energy will be removed from the benchmark and shifted to smaller‑cap indexes.
- Shares of Robinhood and AppLovin jumped about 7% in after‑hours trading following the announcement, while Emcor rose around 2% to 3%.
- MicroStrategy, long seen as a contender due to its market value and large Bitcoin holdings, was not selected, underscoring the index committee’s discretion beyond numerical screens.
- Index inclusion is expected to drive passive fund purchases that embed the new constituents into major portfolios, with Robinhood’s strong Q2 results cited in coverage as bolstering its case.