---
title: "Memory Chips Surge Intraday: MU Up 4%, SNDK Near 10%, WDC and STX Gain Over 5%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/298061126.md"
description: "On September 4 intraday, memory chip stocks rallied broadly, with leaders MU, SNDK, WDC, and STX posting significant gains; derivative SNXX jumped over 20%."
datetime: "2026-09-04T16:46:04.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/298061126.md)
  - [en](https://longbridge.com/en/news/298061126.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/298061126.md)
generator: "portal-rs"
---

# Memory Chips Surge Intraday: MU Up 4%, SNDK Near 10%, WDC and STX Gain Over 5%

Memory chip stocks advanced broadly during intraday trading on September 4, led by notable gains in key names. As of press time, **MU.US rose 4.66% to $1002.81**, **SNDK.US surged 10.40% to $1716.73**, **WDC.US gained 4.97% to $463.50**, and **STX.US climbed 5.31% to $841.03**. MRAM.US edged up 2.46% to $16.24.

Derivative names saw heightened volatility: **SNXX.US soared 20.48% to $16.95**, MUU.US added 9.06% to $33.47; while MUD.US fell 4.61% to $9.94 and SNDQ.US plummeted 21.25% to $12.18. Heavy turnover indicated bullish dominance.

Analysts cited improving demand expectations and nearing end of industry inventory corrections as drivers for valuation recovery. Investors should monitor upcoming earnings guidance and consumer electronics demand trends.

### 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)
- [MRAM.US](https://longbridge.com/en/quote/MRAM.US.md)

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- [Seagate director Yolanda Lee Conyers sells 750 shares for $611,332.5](https://longbridge.com/en/news/297958066.md)
- [Micron's Taiwan unions threaten strike over bonus dispute](https://longbridge.com/en/news/297617714.md)
- [Nvidia vs. Micron: Own One AI Stock, but Stay Away From the Other, Says Investor](https://longbridge.com/en/news/297919258.md)
- [Everspin Technologies and Teledyne HiRel Semiconductors Partner to Accelerate MRAM Adoption in Aerospace and Defense Applications | TDY Stock News](https://longbridge.com/en/news/297776857.md)

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