Semiconductor Stocks Today (Dec. 17, 2025): Nvidia, Broadcom, Micron in Focus as AI Chip Competition Heats Up
The PHLX Semiconductor Index fell 2.48% to 6,785.77 on December 17, 2025, as chip stocks led market declines amid tech sector weakness. Investors reacted to headlines including Amazon-OpenAI investment talks, Google’s efforts to challenge Nvidia, and geopolitical pressures on manufacturing. Traders awaited Micron’s earnings after the close.