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# Internet Platforms

Large online services built around communities, content, search, communication or user-generated information.
RISING

## Why it matters

Internet platforms increasingly sit at the intersection of advertising, public markets, search discovery and AI-era data access.

## Key Facts

- S&P Dow Jones Indices announced that Reddit will join the S&P 500 before U.S. markets open on August 18.
- Reuters independently reported the scheduled index change.
- Index inclusion changes benchmark membership; it does not by itself establish a company’s future operating performance.     Current status  RISING    Stories  1    Sources  2    Last updated  Aug 17, 2026
Latest developments
## Story Timeline
Aug 17, 2026   RISING
### [Reddit Is Joining the S&P 500. Here’s What Changes on August 18](/2026/08/reddit-sp500-inclusion-what-changes/)

S&P Dow Jones Indices says Reddit will join the S&P 500 before U.S. markets open on August 18, turning the platform into a required holding for many index-tracking portfolios.

Knowledge graph
## People, Companies & Places
[companyRedditS&P Dow Jones Indices says Reddit will join the S&P 500 on August 18, bringing the platform into one of the most widely tracked U.S. equity benchmarks.View entity →](/company/reddit/)[organizationS&P Dow Jones IndicesIts constituent decisions determine which companies enter or leave the S&P 500 benchmark, including Reddit’s scheduled August 18 inclusion.View entity →](/organization/sp-dow-jones-indices/)

## Related Topics
[HIGH INTEREST5 storiesArtificial IntelligenceAI systems that perform tasks involving perception, language, reasoning, prediction or action.Open topic hub →](/topic/artificial-intelligence/)
Primary context
## Topic Sources

- [S&P Dow Jones Indices — Reddit set to join S&P 500 ↗](https://press.spglobal.com/2026-08-13-Reddit-Set-to-Join-S-P-500-and-Sun-Communities-to-Join-S-P-MidCap-400)primary organization · Aug 13, 2026
- [Reuters — Reddit selected for S&P 500 inclusion ↗](https://www.reuters.com/business/finance/reddit-surges-sp-500-inclusion-set-replace-avalonbay-2026-08-14/)independent reporting · Aug 14, 2026