JPMorgan Chase predicts retail investors will drive the stock market rally through 2026, with $160 billion invested in stock-based ETFs in September and October. Hedge funds warn of bubbles, but retail investors remain undeterred, pushing markets to new highs.

Inflows into U.S.-listed ETFs hit a record $175.6 billion in October, with $141.2 billion in September. ETF inflows topped $1 trillion by mid-October. Despite warnings of bubbles, retail investors continue to pour money into stocks, defying Wall Street logic.

Bank of America’s October survey shows 54% of managers see AI stocks in a bubble, with the S&P 500’s forward P/E ratio well above historical averages. Warren Buffett and other experts are cautious, sitting on cash and reducing exposure to U.S. stocks.

Potential factors that could sustain the stock market rally into early 2026 include year-end bonuses, new year portfolio adjustments, rate-cut expectations, ETF flows, and tax-related selling. However, caution remains as policy risks and valuations are taken into account by corporate leaders and seasoned investors.

Read more at Yahoo Finance: JPMorgan updates stock market outlook for 2026