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U.S. optical communications stocks open lower, Coherent drops more than 3%

U.S. optical communications stocks open lower, Coherent drops more than 3%

MSX.COM data showed early weakness across the U.S. optical communications segment, with Lumentum and Marvell Technology down more than 2% and Corning off more than 1%.

Fact Check
The primary Odaily newsflash (507350) carries the exact claim text with a matching timestamp, and independent outlets (Eastmoney, TMTPost, NBD per search results) reproduce identical figures dated Aug 6, 2026. The specific percentage moves and named companies all align with the claim. Note the English 'content' translates 迈威科技 as 'Marvell Technology,' which is consistent across sources.
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Summary

U.S. optical communications stocks moved lower at the start of trading, led by a drop of more than 3% in Coherent. Lumentum and Marvell Technology each fell more than 2%, while Corning declined more than 1%, according to MSX.COM data. The moves point to broad early-session weakness in the sector rather than a single-stock decline.

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