U.S. equities drifted lower Monday in a session defined less by its modest headline losses than by the violence of the rotation beneath them. The S&P 500 slipped 0.38% to 7,627.72 by midday, the Nasdaq Composite fell 0.45% to 26,215.46 and the Dow Jones Industrial Average held up best with a 0.17% decline to 52,484.98. The Cboe Volatility Index climbed 5.81% to 16.76, its largest single-day percentage advance in several weeks, even as the index level itself remained historically subdued.
The catalyst came from the commodity pits. West Texas Intermediate crude for October delivery jumped 2.80% to $102.85 per barrel, touching $104.95 intraday, and the resulting inflation impulse rippled through the rates and equity complex. SPDR S&P 500 ETF Trust (SPY) traded at $761.48, down 0.37%, while the tech-heavy Invesco QQQ Trust (QQQ) underperformed at $709.38, off 0.77%.
Semiconductors Bear the Brunt
The chip complex absorbed the session's heaviest selling. Micron Technology (MU) tumbled 5.69% to $919.81, Intel (INTC) fell 5.11% to $97.68, Advanced Micro Devices (AMD) dropped 4.93% to $490.68 and Broadcom (AVGO) declined 4.12% to $347.07. NVIDIA (NVDA) held up comparatively well but still shed 2.81% to $212.16. Oracle (ORCL) fell 4.32% to $143.79, extending a de-rating in the AI-infrastructure trade that has run for several sessions.
The pressure extended to the power names that trade as artificial-intelligence demand derivatives. Constellation Energy (CEG