---
title: "Memory Chips Surge During Regular Trading Hours, SNDK Up Over 5%, STX and WDC Gain More Than 3%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/298047469.md"
description: "The memory chip sector surged during regular trading hours on September 4, with most major stocks rising over 3%. SNDK led gains exceeding 5%, followed by STX and WDC. Among derivative stocks, SNXX rose nearly 10% while SNDQ fell over 10%."
datetime: "2026-09-04T13:46:13.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/298047469.md)
  - [en](https://longbridge.com/en/news/298047469.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/298047469.md)
generator: "portal-rs"
---

# Memory Chips Surge During Regular Trading Hours, SNDK Up Over 5%, STX and WDC Gain More Than 3%

During regular trading hours on September 4, the memory chip sector rallied strongly, with most major constituents posting significant gains. As of press time, the majority of sector components advanced, led by SNDK.US which surged over 5%, followed by STX.US and WDC.US with gains exceeding 4% and 3% respectively.

Specifically, Micron Technology (MU.US) traded at $985.01, up 2.80%; SanDisk (SNDK.US) at $1,635.74, up 5.19%; Western Digital (WDC.US) at $457.56, up 3.62%; Seagate Technology (STX.US) at $834.99, up 4.55%; and Everspin Technologies (MRAM.US) at $16.30, up 2.84%. Among derivative stocks, MUU.US rose 5.44%, SNXX.US jumped nearly 10%, while MUD.US and SNDQ.US declined 2.93% and 10.80% respectively.

Trading volume across the sector expanded significantly, with SNDK.US recording $4.84 billion in turnover and MU.US reaching $6.32 billion. Market funds flowed noticeably into memory chips, reflecting heightened investor expectations for improved industry fundamentals. Analysts noted that stabilizing memory chip prices and positive demand signals were key drivers behind the sector's strong performance.

### 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)

## Related News & Research

- [Canada Pension Plan Investment Board Buys Shares of 3,258,485 Micron Technology, Inc. $MU](https://longbridge.com/en/news/298099972.md)
- [Micron's Taiwan unions threaten strike over bonus dispute](https://longbridge.com/en/news/297617714.md)
- [Seagate director Yolanda Lee Conyers sells 750 shares for $611,332.5](https://longbridge.com/en/news/297958066.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.**