---
title: "Semiconductor, optical stocks surge as US fab investments mount"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/292230957.md"
description: "Semiconductor and optical stocks surged on Thursday, rebounding from recent sell-offs driven by mounting U.S. manufacturing investments. Key drivers include Micron's increased $250B U.S. fab investment plan, Broadcom's $30B partnership with Apple for domestic chip production, and rising revenue expectations for Sandisk and Western Digital due to AI memory demand. Intel gained as customers explore alternatives to TSMC, while AMD, onsemi, Marvell, and various optical firms also posted gains, lifting the Philadelphia Semiconductor Index by 4.6%."
datetime: "2026-07-09T18:15:51.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/292230957.md)
  - [en](https://longbridge.com/en/news/292230957.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/292230957.md)
generator: "portal-rs"
---

# Semiconductor, optical stocks surge as US fab investments mount


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