Overview

• S&P Dow Jones Indices said the three companies will enter the S&P 500 before the market opens on Sept. 22 as part of its quarterly rebalance.
• Robinhood jumped as much as about 16% to a record $117.28 at the close, AppLovin rose roughly 11%, and Emcor was little changed after an early lift.
• MarketAxess, Caesars Entertainment and Enphase Energy will be removed from the benchmark and shifted to the S&P SmallCap 600.
• Coverage highlighted the renewed “inclusion effect,” with trillions of dollars benchmarked to the index expected to drive short‑term buying of the additions.
• CEO Vlad Tenev called the move an “exciting milestone” and emphasized product focus, while some observers noted crypto‑tied firms such as MicroStrategy were not selected this round.