Reddit shares jumps on S&P 500 entry; SUI joins MidCap 400

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Reddit shares jumps on S&P 500 entry; SUI joins MidCap 400

Aug 14, 2026, 2:25 AM ETAvalonBay Communities, Inc. (AVB) Stock, SAN Stock, EQR Stock, SUI Stock, WBS Stock, RDDT StockBy : Arundhati Sarkar, SA News Editor

Reddit (RDDT) will replace AvalonBay Communities (AVB) in the S&P 500 effective prior to the opening of trading on Tuesday, August 18.

Reddit (RDDT) shares rose ~13% in post-market trading on Wednesday.

S&P 500 constituent Equity Residential (EQR) is

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