---
title: "Memory Chip Sector Surges Intraday: Micron Up Nearly 18%, SanDisk Up Over 24%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294406852.md"
description: "During intraday trading on July 30, the memory chip sector rallied broadly. Micron Technology rose nearly 18% to $873.42, while SanDisk jumped over 24% to $1,268.73. Western Digital and Seagate Technology both gained more than 15%, with active trading across the sector."
datetime: "2026-07-30T19:46:32.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294406852.md)
  - [en](https://longbridge.com/en/news/294406852.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294406852.md)
generator: "portal-rs"
---

# Memory Chip Sector Surges Intraday: Micron Up Nearly 18%, SanDisk Up Over 24%

During intraday trading on July 30, the U.S. memory chip sector surged broadly, with mainstream stocks advancing across the board. As of press time, Micron Technology (MU.US) rose nearly 18% to $873.42, while SanDisk (SNDK.US) showed the strongest performance, up over 24% at $1,268.73.

Other major storage manufacturers also posted significant gains. Western Digital (WDC.US) climbed over 15% to $531.73, while Seagate Technology (STX.US) advanced more than 11% to $848.86. Everspin Technologies (MRAM.US) rose over 11% to $14.47. Among derivative products, the Micron leveraged ETF (MUU.US) surged over 36% to $26.79, while the Micron inverse ETF (MUD.US) fell nearly 18% to $11.70, reflecting strong bullish sentiment in the market.

Overall sector trading volume expanded significantly. Micron Technology's intraday turnover exceeded $44.2 billion, while SanDisk's turnover surpassed $25.1 billion, indicating substantial capital inflows into the memory chip sector during the session. Analysts noted that improving industry supply-demand expectations and optimistic guidance from leading manufacturers' earnings reports were likely the main drivers behind today's broad sector strength.

### 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)
- [‘It’s Not That Simple,’ Says Investor About Micron Stock](https://longbridge.com/en/news/296022896.md)
- [Micron Technology, Inc.  Plans USD10 billion AI Memory Chip R&D Center](https://longbridge.com/en/news/296551150.md)
- [Micron Technology, Inc. $MU Shares Sold by MBL Wealth LLC](https://longbridge.com/en/news/296080085.md)

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