Uber Technologies (UBER) is set to replace Charter Communications (CHTR) in the S&P 100 index, S&P Global (SPGI) division S&P Dow Jones Indices said late Friday.

AppLovin (APP), Robinhood Markets (HOOD), and Emcor Group (EME) will join the S&P 500, while MarketAxess Holdings (MKTX), Caesars Entertainment (CZR), and Enphase Energy (ENPH) will be removed from the benchmark equity index.

MP Materials (MP) and Kratos Defense & Security Solutions (KTOS) will be added to the S&P MidCap 400, while Emcor and Wendy's (WEN) will be removed from the index.

MarketAxess, Caesars, Enphase, and Wendy's will join the S&P SmallCap 600, with ProPetro Holdings (PUMP), Xerox Holdings (XRX), MP, and Kratos to be removed from the index.

S&P Dow Jones Indices also said that Nutanix (NTNX) and TransUnion (TRU) will be added to the S&P MidCap 400, while Acadia Healthcare (ACHC) and ManpowerGroup (MAN) will be removed from that index. Acadia and ManpowerGroup will replace TechTarget (TTGT) and Mesa Laboratories (MLAB) in the S&P SmallCap 600, respectively.

Noble (NE), Q2 Holdings (QTWO), Waystar Holding (WAY), and Hecla Mining (HL) will be included in the S&P SmallCap 600, while Owens & Minor (OMI), B&G Food (BGS), Jack in the Box (JACK), and Simulations Plus (SLP) will be removed from the index.

The changes are effective Sept. 22, S&P Dow Jones Indices said.

AppLovin shares were up 7.6% in recent premarket activity Monday, while Robinhood rose 7.4%. Emcor advanced 2.7%.