---
title: "Optical Communication Sector Plunges Intraday, LITE Down Nearly 9%, AAOI Nearly 10%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294094335.md"
description: "During intraday trading on Tuesday (July 28), the optical communication sector retreated broadly. Major stocks fell across the board, with LITE.US down nearly 9% and AAOI.US nearly 10%, while GLW.US and MRVL.US both dropped over 5%."
datetime: "2026-07-28T16:46:28.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294094335.md)
  - [en](https://longbridge.com/en/news/294094335.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294094335.md)
---

# Optical Communication Sector Plunges Intraday, LITE Down Nearly 9%, AAOI Nearly 10%

During intraday trading on Tuesday (July 28), the optical communication sector faced significant selling pressure, with major stocks plummeting collectively. As of press time, most stocks in the sector declined by more than 5%, reflecting markedly weak market sentiment.

Specifically, **LITE.US** dipped to a low of $602.28 during the session, last trading at $651.00, down **8.56%** from the previous close. **AAOI.US** showed even greater weakness, with its share price briefly breaking below the $82 level, last at $88.47, representing a decline of **9.56%**. Additionally, **GLW.US** fell 15.70% to $120.85, **MRVL.US** dropped 5.61% to $178.56, **COHR.US** declined 11.04% to $241.36, **AXTI.US** fell 10.68% to $42.77, **NOK.US** dropped 3.57% to $8.91, and **POET.US** decreased 5.74% to $6.68.

Among derivative stocks, **LITX.US** plunged 17.74% to $18.09, while **LITZ.US** bucked the trend with a 17.51% gain to $22.08. **AAOX.US** fell 19.05% to $9.63, and **MVLL.US** dropped 12.04% to $18.71. Overall, the optical communication sector exhibited a one-sided downward trend today, with clear signs of capital outflow.

### Related Stocks

- [LITE.US](https://longbridge.com/en/quote/LITE.US.md)
- [AXTI.US](https://longbridge.com/en/quote/AXTI.US.md)
- [GLW.US](https://longbridge.com/en/quote/GLW.US.md)
- [COHR.US](https://longbridge.com/en/quote/COHR.US.md)
- [MRVL.US](https://longbridge.com/en/quote/MRVL.US.md)
- [NOK.US](https://longbridge.com/en/quote/NOK.US.md)
- [AAOI.US](https://longbridge.com/en/quote/AAOI.US.md)
- [POET.US](https://longbridge.com/en/quote/POET.US.md)

## Related News & Research

- [Corning earnings beat estimates. Why it’s not enough for the stock.](https://longbridge.com/en/news/294057167.md)
- [Marvell Technology, Inc. $MRVL Shares Acquired by Punch & Associates Investment Management Inc.](https://longbridge.com/en/news/293820387.md)
- [Is Marvell Technology (MRVL) Overvalued Following Its $250 Million India Investment?](https://longbridge.com/en/news/294405968.md)
- [Optical Communication Sector Rises Broadly Intraday; LITE Up Nearly 12%, AXTI Up Nearly 20%](https://longbridge.com/en/news/294376913.md)
- [Sei Investments Co. Sells 232,320 Shares of Corning Incorporated $GLW](https://longbridge.com/en/news/293818892.md)