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Reddit shares surge 10.7% on S&P 500 inclusion announcement
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Reddit (NYSE: RDDT) shares jumped 10.7% on August 14, 2026, following the announcement that the social media company will join the S&P 500 index, replacing AvalonBay Communities after its acquisition by Equity Residential. The index inclusion triggers automatic buying by funds tracking the S&P 500, with JPMorgan estimating approximately 16.7 million Reddit shares will be purchased. The company reported strong Q2 results with $805 million in revenue (up 61% year-over-year) and $253 million in net income, while daily active users grew 18%. However, the article notes a significant risk: AI-generated search results are increasingly preventing users from clicking through to Reddit's platform, which could threaten the company's growth trajectory needed to support its current valuation.
Source report
Johnny Rice, The Motley Fool Fri, August 14, 2026 at 11:45 AM PDT | 2 min read
- RDDT: +12.63%
- NVDA: -0.06%
- S&P 500 (^GSPC): -0.17%
- EQR: 0.00%
- Nasdaq Composite (^IXIC): -0.28%
Reddit, Inc. (NYSE: RDDT) stock surged 10.7% as of 2:22 p.m. ET today, while the S&P 500 and Nasdaq Composite fell 0.2% and 0.4%, respectively.
Shares of the social media company rallied following the announcement that Reddit would be added to the S&P 500.
Why Reddit Is Joining the S&P 500 Now
S&P Dow Jones Indices announced after Thursday's market close that Reddit will replace AvalonBay Communities in the S&P 500, effective before the market opens on Aug. 18. AvalonBay was recently acquired by Equity Residential, freeing a slot in the index outside the usual rebalancing schedule.
Funds that track the S&P 500 are required to hold every company in the index at its assigned weight, resulting in automatic and mechanical buying. JPMorgan estimates that approximately 16.7 million Reddit shares will be purchased in total.
Reddit's Growth Is Impressive, but There's a Catch
Reddit reported $805 million in second-quarter revenue, up 61% year over year (YoY), with net income reaching $253 million. Daily active users — a key metric for social media platforms — increased 18%.
While these figures appear positive, they obscure a significant challenge facing the platform. AI-generated search results are increasingly preventing users from clicking through to Reddit itself. If this trend continues, it could pose serious risks for a company that needs sustained rapid growth to support its valuation.
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Source
Yahoo FinanceWestern
Part of this Story
Reddit Added to S&P 500, Shares Surge Over 10%