Evening Macro — September 15, 2026: Chip Selloff Drags Nasdaq, Oil Holds Above $100 on Hormuz Risk
Post-market wrap: S&P 500 and Nasdaq close lower as chipmakers slide on an Anthropic/OpenAI AI-capability warning; WTI crude holds above $100/bbl; a LVL 7 Russian strike near the Ukraine-Poland border raises overnight risk into the FOMC decision.