What AI Predicts About the Future of the Stock Market — and Your Wallet

Core Viewpoint - The stock markets have experienced significant growth in recent years, with the S&P 500 more than doubling and the Dow rising nearly 75% since the beginning of the decade, but future performance is expected to be more moderate [1] Short-to-Medium Term Performance - ChatGPT and Grok forecast moderate growth for the U.S. stock market over the next couple of years, with expected returns in the high-single-digit to low-double-digit range, supported by corporate earnings and economic resilience [2] - Grok anticipates "solid but more moderate performance" compared to the exceptional gains of the early 2020s, driven by AI-related productivity and earnings growth, while facing challenges from elevated valuations and economic uncertainties [3] - Gemini projects an average S&P 500 return of 9% to 12% in 2026, with potential upside reaching 15%, aligning with Goldman Sachs' forecast of a 12% gain for the S&P 500 in 2026 [3] Longer-Term Outlook - Forecasts for the longer term (beyond three to five years) are more uncertain, with many models suggesting lower average annual returns of 4% to 7% due to higher valuations and structural shifts [5] - Grok indicates that optimistic scenarios could yield much higher returns if AI significantly transforms the economy, but baseline views assume gradual adoption and potential volatility if earnings disappoint [6] - Major institutions like Goldman Sachs and J.P. Morgan expect the S&P 500 to grow at a slower, more normalized pace, influenced by high valuations and aging demographics, partially offset by an AI productivity boom [6]