---
title: "Memory Chips Fall Broadly Intraday, Micron Down Nearly 5%, SanDisk Nearly 4%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294539675.md"
description: "During intraday trading on July 31, the memory chip sector declined broadly. Micron Technology fell nearly 5% to $831.36, SanDisk dropped nearly 4% to $1,231.05, while Western Digital and Seagate Technology also followed lower, reflecting weak sector sentiment."
datetime: "2026-07-31T16:47:02.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294539675.md)
  - [en](https://longbridge.com/en/news/294539675.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294539675.md)
generator: "portal-rs"
---

# Memory Chips Fall Broadly Intraday, Micron Down Nearly 5%, SanDisk Nearly 4%

During intraday trading on July 31, the memory chip sector faced significant selling pressure, with mainstream stocks falling across the board. As of press time, Micron Technology (MU.US) led the decline, trading at **$831.36**, down **4.95%** from the previous close. The stock experienced sharp intraday volatility, reaching a high of $930.88 and a low of $818.00, with turnover hitting $31.28 billion, indicating substantial divergence in capital flows.

SanDisk (SNDK.US) also showed weakness, currently at **$1,231.05**, down **3.82%**. Its intraday high reached $1,404.99 before oscillating lower to a low of $1,187.26, with full-day turnover approaching $19.5 billion. Western Digital (WDC.US) and Seagate Technology (STX.US) were not spared, falling **3.18%** to $550.30 and **1.34%** to $863.30 respectively, as the sector broadly declined.

In terms of derivative products, ETFs such as MUU.US, MUD.US, SNXX.US, and SNDQ.US also retreated alongside their underlying stocks. Notably, SNXX.US saw a pronounced drop, trading at $9.62, plunging over 8% intraday. Overall, the memory chip sector was heavily influenced by market sentiment today, with clear signs of capital outflow. Investors should monitor subsequent changes in industry fundamentals and capital flows.

### Related Stocks

- [MU.US](https://longbridge.com/en/quote/MU.US.md)
- [SNDK.US](https://longbridge.com/en/quote/SNDK.US.md)
- [WDC.US](https://longbridge.com/en/quote/WDC.US.md)
- [STX.US](https://longbridge.com/en/quote/STX.US.md)

## Related News & Research

- [MU Stock Alert: What to Know as Micron Appoints New Executives](https://longbridge.com/en/news/297080454.md)
- [Micron Stock Faces Tight Supply as AI Demand Accelerates](https://longbridge.com/en/news/297191357.md)
- [Micron Technology, Inc. $MU Holdings Increased by Trivium Point Advisory LLC](https://longbridge.com/en/news/297292952.md)
- [John Christopher Morris Sells 523 Shares of Seagate Technology (NASDAQ:STX) Stock](https://longbridge.com/en/news/296879445.md)
- [Cynthia Tregillis Sells 1,007 Shares of Western Digital (NASDAQ:WDC) Stock](https://longbridge.com/en/news/297248306.md)

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