Reddit Inc. (NYSE: RDDT) stock rises after S&P Dow Jones Indices announces the company will replace AvalonBay Communities Inc. (NYSE: AVB) in the S&P 500 effective August 18, 2026.

Reddit (RDDT) stock jumped more than 12% in extended trading on Thursday after S&P Dow Jones Indices announced that the social media company...

Reddit shares have experienced a remarkable surge following the announcement of their inclusion in the S&P 500 index. With index funds compelled to acquire millions of Reddit…