The market rally is shifting from AI suppliers to AI users, as companies broadly report significant AI-driven cost reductions, a trend since 2025. Retail, healthcare and fintech stocks saw the biggest revenue increases and expense reductions, and small caps are part of this "productivity melt-up." Rising token usage has offset some of the benefit as AI agents cost more to run, and with a stock picker's market on both ends, screening at the ETF level may be less useful. x.com x.com x.com x.com x.comÂ





