AppLovin, Robinhood Markets and Emcor Group Set to Join S&P 500; Others to Join S&P 100, S&P MidCap 400 and S&P SmallCap 600

Accessibility StatementSkip Navigation NEW YORK, Sept. 5, 2025 /PRNewswire/ -- S&P Dow Jones Indices ("S&P DJI") will make the following changes to the S&P 100, S&P 500, S&P MidCap 400, and S&P SmallCap 600 indices effective prior to the open of trading on Monday, September 22, to coincide with the quarterly rebalance. The changes ensure each index is more representative of its market capitalization range. The companies being removed from the S&P SmallCap 600 are no longer representative of the small-cap ma ...