---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/40076791.md"
description: "$Coherent Corp.(COHR.US) Old Mantou plummeted, how come you're still in the green? Don't you belong to the optical module sector?"
datetime: "2026-04-21T16:27:18.000Z"
locales:
  - [en](https://longbridge.com/en/topics/40076791.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/40076791.md)
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author: "[新用户_d4ua7B](https://longbridge.com/en/profiles/19655067.md)"
---

# $Coherent Corp.(COHR.US) Old Mantou plummeted, how…


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