Why Is AXT (AXTI) Stock Down 9.47% Today, Oct 12? Optical-Sector Profit-Taking and AI Funding Concerns Weigh on Shares

AXT (AXTI) fell 9.47% to $61.98 on October 12, 2026, as optical and networking shares were swept into an AI-spending-related selloff. This draft examines the session, the broader inflation-and-rate backdrop, and the technical conditions traders can watch next.