---
title: "Memory Chips Mixed in Regular Session, Micron Down 1.6%, SanDisk Down 0.7%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294522450.md"
description: "During the regular session on July 31, the memory chip sector showed mixed performance. Micron Technology fell 1.6% to $888.79, SanDisk dropped 0.7% to $1,288.95, while Western Digital rose 4.9% to $559.13 and Seagate Technology gained 3.0% to $877.16."
datetime: "2026-07-31T13:46:09.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294522450.md)
  - [en](https://longbridge.com/en/news/294522450.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294522450.md)
---

# Memory Chips Mixed in Regular Session, Micron Down 1.6%, SanDisk Down 0.7%

During the regular session on July 31, the memory chip sector displayed mixed performance with leading stocks moving in divergent directions. As of press time, Micron Technology (MU.US) traded at $888.79, down 1.6% from the previous close of $874.66. SanDisk (SNDK.US) was at $1,288.95, declining 0.7% from $1,279.96.

Several stocks within the sector showed strength. Western Digital (WDC.US) surged 4.9% to $559.13, Seagate Technology (STX.US) advanced 3.0% to $877.16, and Everspin Technologies (MRAM.US) climbed 3.6% to $14.98. Among derivative instruments, MUU.US fell 2.7% to $27.70, MUD.US dropped 1.6% to $11.48, SNXX.US declined 0.9% to $10.57, and SNDQ.US slipped 0.7% to $28.72.

Overall, the memory chip sector exhibited volatile trading during the regular session. Investors are advised to monitor subsequent industry supply-demand dynamics and earnings season performance for further impact on stock prices.

### 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

- [$1000 Invested In Western Digital 20 Years Ago Would Be Worth This Much Today](https://longbridge.com/en/news/296395604.md)
- [Micron Stock Is Surging Toward $1,000 Again. Can MU Keep Climbing?](https://longbridge.com/en/news/296107115.md)
- [Western Digital CEO Irving Tan disposes of USD 8.85 million in common shares](https://longbridge.com/en/news/295729047.md)
- [Seagate EVP, Chief Commercial Officer Ban Seng Teh disposes of 7,361 shares worth $6.78 million](https://longbridge.com/en/news/295975562.md)
- [Micron Upgraded to Buy on the Claim Memory Stopped Being Cyclical](https://longbridge.com/en/news/295956390.md)