S&P 500 Equal-Weighted Index Rises as AI Basket Falls 4.7 Percent

The divergence followed earnings from Colgate-Palmolive and Mondelez that beat estimates, lifting the consumer staples sector 1.64 percent intraday. The S&P 500 ex-AI cohort is on pace for a 6 percent monthly gain, its strongest since 2022. Data from the initial 3Q reporting season show 78 percent of companies beating EPS estimates, though margin pressure persists in staples. Rate-sensitive defensives benefited as the Nasdaq 100 fell 3 percent.

Investor rotation reflects two-sided incentives. AI-exposed stocks face valuation compression if capital expenditure growth slows, while staples gain from resilient volumes and lower discount rates. Equal-weighted outperformance indicates breadth improvement rather than broad equity exit. Primary records from company guidance, including Hilton and Royal Caribbean, point to sustained demand into 2027, supporting selective rotation.

The pattern aligns with prior cycles where concentrated leadership unwinds when policy signals shift. Lower rates reduce the relative appeal of long-duration tech cash flows. Consumer names with volume growth now trade at narrower premiums to AI peers. This reallocation does not signal systemic risk but reallocates exposure within equities.

Next data points include Federal Reserve minutes and additional staples results. Sustained outperformance by the ex-AI cohort above 5 percent monthly would confirm leadership broadening if AI capex guidance remains unchanged.