# Why Ciena, Lumentum and other optical stocks were among the market’s biggest losers on Monday — retained record

> Retained news record from news:marketwatch.

Canonical: https://highsignal.app/data/records/b4b71592ae1149c9

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source: [news](https://highsignal.app/data/news) (news:marketwatch)  published 2026-10-12 20:46 ingested 2026-10-13 02:56

[original source ↗](https://www.marketwatch.com/story/why-ciena-lumentum-and-other-optical-stocks-were-among-the-markets-biggest-losers-on-monday-b3e53f6a?mod=mw_rss_topstories)

## retained text

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document fetched 2026-10-13 02:56 · canonical https://marketwatch.com/story/why-ciena-lumentum-and-other-optical-stocks-were-among-the-markets-biggest-losers-on-monday-b3e53f6a?mod=mw_rss_topstories