On October 9, Coherent rose 3.01% overnight, trading at $311.45/share, with turnover of $8.048 million.

The optical communications sector staged a technical rebound after two consecutive days of profit-taking, and Coherent followed the sector's sentiment recovery. In the preceding two days, Ciena and Applied Optoelectronics fell more than 3%, while Corning, Lumentum, and Coherent each dropped more than 2%, displaying clear profit-taking characteristics across the sector. Coherent is a global leader in materials, networking, and lasers, operating as a vertically integrated manufacturer that develops, manufactures, and sells engineered materials, optoelectronic components and devices, and lasers for industrial, communications, electronics, and instrumentation markets.

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