Reddit and Sun Communities Are Set for S&P Index Additions
S&P Dow Jones Indices said Reddit (NYSE: RDDT) will be added to the S&P 500 effective before Aug. 18, 2026, replacing AvalonBay Communities (NYSE: AVB). Equity Residential (NYSE: EQR) is acquiring AVB; the combined firm will be renamed Vivmark Residential (NYSE: VMRK) and stay in the S&P 500. Sun Communities (NYSE: SUI) will join the S&P MidCap 400 before Aug. 20, 2026, replacing Webster Financial (NYSE: WBS), which is being acquired by Banco Santander (NYSE: SAN).



