Reddit Set to Join S&P 500 and Sun Communities to Join S&P MidCap 400

What it is about

Who published it, and when

How it spread - 7 original reports, 1 reprint

1. Thu, 13 August 2026

   1 report
   • prnewswire.com22:12first to report
     Reddit Set to Join S&P 500 and Sun Communities to Join S&P MidCap 400

     URL changednow www.prnewswire.com:443/news-releases/reddit-set-to-join-sp-500-and-sun-communities-to-join-sp-midcap-400-302851432.html

     /PRNewswire/ -- S&P Dow Jones Indices will make the following changes to the S&P 500 and S&P MidCap 400: Reddit Inc. (NYSE: RDDT) will replace AvalonBay...

2. Fri, 14 August 2026

   2 reports
   • Channel News Asia13:47
     Reddit surges on S&P 500 inclusion, set to replace AvalonBay
   • akronnewsreporter.com16:16edited after publishing
     Online forum Reddit will join the influential and closely tracked S&P 500 index

     previouslyOnline forum Reddit will join closely tracked S&P 500 index

     1 reprint

     • orovillemr.com14 Aug, 16:16their copy
3. Sat, 15 August 2026

   2 reports
   • Google News - Top Stories09:58
     Reddit stock is surging thanks to the S&P 500, but it hasn't solved its big dilemma

     Reddit stock is surging thanks to the S&P 500, but it hasn't solved its big dilemma Yahoo Finance Reddit stock surges after S&P 500 inclusion — here's the platform's next big opportunity Yahoo Finance SpaceX, Sandisk, Micron, Workday, Applied Materials, Reddit, Unusual Machines, and More Stocks That Explain Today’s Market Barron's RDDT soars on S&P 500 inclusion, but symmetrical triangle holds (RDDT:NYSE) Seeking Alpha Reddit stock jumps on inclusion in S&P 500 CNBC

   • yahoo.com14:54
     Reddit Joins the S&P 500 Tuesday. Here's What History Says Could Come Next -- and What Investors Should Know.

     Shares of the social media company jumped double digits on the news. Decades of research say the pop is usually the whole prize.

4. Mon, 17 August 2026

   2 reports
   • 247wallst.com10:30
     His Company Joined the S&P 500. His 401(k) Started Buying More of It Without Asking Him.

     When Reddit joined the S&P 500, index funds started buying shares on behalf of employees who never placed a trade. For workers already holding RSUs, ESPP shares, and a company paycheck, that quiet rebalancing can reveal a concentration problem big enough to reshape when they retire.

   • fool.com15:00
     Reddit to Join the S&P 500. Will This Send the Stock Back to Its 52-Week High?

     Stocks that join the broad index typically see their share prices rise afterward.