---
title: "Corning tumbles 8% as optical-communication stocks face broad selloff"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/302750362.md"
description: "Corning (GLW) tumbles 8% in regular trading amid sector selloff; Philadelphia Semiconductor Index drops 5.67%."
datetime: "2026-10-22T16:04:50.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/302750362.md)
  - [en](https://longbridge.com/en/news/302750362.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/302750362.md)
generator: "portal-rs"
---

# Corning tumbles 8% as optical-communication stocks face broad selloff

康宁 (GLW.US) 盘中急跌**7.55%**，现报**124.735 美元**。

光通信板块遭遇全线抛售，诺基亚跌超 9%，应用光电和 Coherent 跌超 7%，Lumentum 跌近 7%，Credo Technology、康宁和 Marvell Tech 均跌超 5%。费城半导体指数暴跌**5.67%**，刷新 7 月 29 日以来最低水平，存储芯片、半导体设备及芯片设计等细分领域同步承压。

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**