On October 7, Coherent fell 3.3% in regular trading, trading at $325.22/share, with Turnover of $147 million.

The decline was driven by broad-based weakness across the optical communications sector, as profit-taking pressure persisted following recent sharp gains. Sector peers including Corning, Vishay Intertechnology, and Littelfuse also traded lower, reflecting a shift in short-term sentiment despite supportive longer-term fundamentals tied to AI data center demand.

Coherent, Inc. provides lasers, laser-based technologies, and laser-based system solutions for scientific, commercial, and industrial research applications, operating through OEM Laser Sources and Industrial Lasers & Systems segments.

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