03:59 AM EDT, 08/14/2026 (MT Newswires) -- (Updates with stock movement in the last paragraph.)
Reddit ( RDDT ) will replace AvalonBay Communities ( AVB ) in the S&P 500 prior to the opening of trading on Aug. 18, S&P Dow Jones Indices said Thursday.
Equity Residential ( EQR ) , a S&P 500 constituent, is acquiring AvalonBay in a deal expected to be completed soon, S&P said, adding that the combined company will be renamed Vivmark Residential (VMRK) and will remain in the index post merger.
Reddit's ( RDDT ) shares were up over 12% after-market hours.
Price: 177.80, Change: +19.68, Percent Change: +12.45