AI Stocks Outperform S&P 500 by 136% in Five-Year Analysis

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Key Points from The Motley Fool’s 2026 AI Investor Outlook

The Motley Fool’s latest report reveals that AI stocks have outperformed the S&P 500 by 136% over the past five years. Notably, the average return of the top 10 AI companies, as ranked by The Motley Fool’s Moneyball database, was 220%, significantly surpassing the S&P 500’s 84% gain. The data indicates that the success of AI investments is widespread across multiple companies rather than being driven by just a few top performers.

Survey results show that a majority of respondents believe AI stocks will continue to yield long-term gains. The report indicates an overall confidence in the sector, suggesting that investors may capitalize on the ongoing AI boom with a modest investment rather than attempting to engage with every available AI stock.

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