---
title: "Memory Chip Sector Mixed in Regular Session: Micron Up Nearly 1%, SanDisk Down Nearly 0.2%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296626191.md"
description: "During the regular session on August 21, the memory chip sector showed mixed performance. Micron Technology rose nearly 1% to $980.05, while SanDisk fell nearly 0.2% to $1,598.09, with Western Digital and Seagate Technology trading narrowly."
datetime: "2026-08-21T13:46:19.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296626191.md)
  - [en](https://longbridge.com/en/news/296626191.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296626191.md)
generator: "portal-rs"
---

# Memory Chip Sector Mixed in Regular Session: Micron Up Nearly 1%, SanDisk Down Nearly 0.2%

During the regular session on August 21, the memory chip sector displayed a mixed trend with mainstream stocks moving in opposite directions. As of press time, **Micron Technology (MU.US)** was trading at $980.05, up $5.72 or approximately 0.59% from the previous close of $974.33. The stock hit an intraday high of $989.96 and a low of $970.94, with trading volume reaching $3.85 billion.

Performance among other sector constituents varied. **SanDisk (SNDK.US)** traded at $1,598.09, down $2.53 or about 0.16% from its prior close of $1,600.62. **Western Digital (WDC.US)** remained virtually flat at $469.15, edging up 0.02% from $469.05. **Seagate Technology (STX.US)** gained 0.27% to $852.51, rising $2.27 from its previous close. Meanwhile, **Everspin Technologies (MRAM.US)** advanced 1.77% to $17.27, adding $0.30.

On the derivatives front, Micron-related ETFs and leveraged products moved in line with the underlying stock. MUU.US traded at $32.54 and MUD.US at $10.23. SNXX.US was at $15.06 while SNDQ.US stood at $14.86. Overall trading activity remained decent, reflecting continued market divergence regarding the pace of the memory cycle recovery.

### 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)
- [Micron Sees 'No End' to AI Memory Supply Crunch: CEO Sanjay Mehrotra Says 'Nothing Ever Goes in a Straight Line'](https://longbridge.com/en/news/296743524.md)
- [Micron Technology, Inc.  Plans USD10 billion AI Memory Chip R&D Center](https://longbridge.com/en/news/296551150.md)
- [Western Digital, Tohoku University launch AI data infrastructure lab in Japan](https://longbridge.com/en/news/296382332.md)

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