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The US stock optical communications sector rose slightly before the market. Coherent rose nearly 2%, Credo rose more than 1%, Corning rose nearly 1%, and Lumentum followed by 0.4%.

Zhitongcaijing·08/21/2026 08:17:05
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The US stock optical communications sector rose slightly before the market. Coherent rose nearly 2%, Credo rose more than 1%, Corning rose nearly 1%, and Lumentum followed by 0.4%.