Although Amazon’s copper supply deal with Rio Tinto appears focused on upstream resource development, its ripple effects across the global electronics supply chain are significant. The agreement accelerates U.S. domestic copper mine output, potentially exacerbating structural tightness in the global refined copper market in the near term. As a critical conductor material for Wi-Fi and RF chips, fluctuations in copper pricing or shifts in supply allocation could directly impact copper wire manufacturers’ costs and delivery reliability. This pressure would then cascade to antenna module suppliers, who may face higher input costs and extended lead times, ultimately affecting Broadcom. The company relies heavily on stable, high-purity copper-based components for packaging and interconnects in its Wi-Fi 6E/7 and AI accelerator chips. Should U.S. supply be prioritized for domestic data centers, Broadcom’s global contract manufacturers could encounter higher copper wire procurement costs or allocation constraints, squeezing margins on its high-end connectivity chips and adding cost-driven competitive pressure against rivals like Qualcomm and MediaTek.