---
title: "Storage Chip Stocks Diverge, Seagate Down 4%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/299060053.md"
description: "Storage chip stocks showed mixed performance. Seagate(STX.US) fell 4%, Western Digital(WDC.US) dropped 2%, while Micron(MU.US) gained 1%. Divergent trends across sub-sectors as investors turn cautious."
datetime: "2026-09-15T13:47:40.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/299060053.md)
  - [en](https://longbridge.com/en/news/299060053.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/299060053.md)
generator: "portal-rs"
---

# Storage Chip Stocks Diverge, Seagate Down 4%

During regular trading on Monday(September 15), storage chip stocks displayed divergent performance with mixed gains and losses across the sector. Seagate(STX.US) declined**3.72%**to $775.61, leading losses with an intraday low of $772.00. Western Digital(WDC.US) fell**2.03%**to $418.28. Micron Technology(MU.US) rose**0.99%**to $933.15, while SanDisk(SNDK.US) edged down 0.04% to $1551.41. Among derivative ETFs, the 2x leveraged ETF(MUU.US) gained 1.84%, while the inverse ETF(SNDQ.US) ticked up 0.17%.

On the news front, the storage chip sector lacked clear catalysts today as investors adopted a wait-and-see stance following recent volatility. HDD manufacturers Seagate and Western Digital faced selling pressure, while DRAM leader Micron maintained modest gains, reflecting divergent market views on prospects across different storage sub-sectors.

## Sector constituents

| Name              | Ticker  | Last    | Change |
| ----------------- | ------- | ------- | ------ |
| Micron Technology | MU.US   | 933.15  | +0.99% |
| MRAM              | MRAM.US | 14.81   | +0.56% |
| SanDisk           | SNDK.US | 1551.41 | -0.04% |
| SNDQ              | SNDQ.US | 14.51   | +0.17% |
| SNXX              | SNXX.US | 13.69   | -0.33% |
| MUD               | MUD.US  | 10.63   | -0.98% |
| Western Digital   | WDC.US  | 418.28  | -2.03% |
| Seagate           | STX.US  | 775.61  | -3.72% |
| MUU               | MUU.US  | 28.66   | +1.84% |

### 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

- [Why Micron’s 87% gross margin is a blessing and a curse](https://longbridge.com/en/news/300718008.md)
- [Seagate vs. Western Digital: One Stock Is a Buy After Today's Drop, but the Other Has More Upside, According to Goldman Sachs](https://longbridge.com/en/news/300813818.md)
- [Micron reports another beat-and-raise earnings. The stock is unchanged.](https://longbridge.com/en/news/300617796.md)
- [Will HDDs Be Replaced by SSDs? Investment Value Analysis of Seagate Technology and Western Digital in the AI Era](https://longbridge.com/en/news/300838673.md)
- [What To Expect From Micron’s (MU) Q3 Earnings](https://longbridge.com/en/news/300373851.md)

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