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Arnne Carragie

Why Is Coherent (COHR) Stock Down 7.06% Today, Oct 16? Optical Sector Selloff and AI Spending Fears Weigh on Shares

Coherent (COHR) fell 7.06% to $232.90 on October 16, 2026, as investors continued rotating out of AI-optics shares while hot inflation and high yields pressured capital-intensive technology trades. This draft examines the session, the two strongest drivers, key risks, and the technical levels traders should watch next.