The AI Supply Chain Earthquake: Why Semiconductor Bottlenecks Are Reshaping Sector Rotation in Q3 2026

Semiconductor supply constraints are triggering a major sector rotation as Q3 2026 unfolds. This episode breaks down the cascade from GPU shortages to the HBM memory supercycle, examines why TSMC, NVIDIA, and AMD are facing unprecedented capacity limits, and reveals how traders are rotating from AI-dependent cloud plays into legacy chipmakers and defense contractors. We analyze capital expenditure data showing AI companies now driving 23 percent of S&P 500 capex, decode the June 2026 semiconductor sell-off, and explore the macro ripple effects hitting earnings forecasts, Fed policy considerations, and cross-asset correlations. Essential intel for navigating the structural shift reshaping tech sector dynamics.