---
title: "Memory Chips Fall in Overnight Session, MU Down 0.72%, SNDK Down 0.69%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/300990735.md"
description: "On October 6, the memory chip sector showed weakness in overnight trading with all major stocks declining. MU closed at $1056.26, down 0.72%, while SNDK fell 0.69% to $1692.34. WDC dropped 0.46% and STX declined 0.37%."
datetime: "2026-10-06T04:46:14.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/300990735.md)
  - [en](https://longbridge.com/en/news/300990735.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/300990735.md)
generator: "portal-rs"
---

# Memory Chips Fall in Overnight Session, MU Down 0.72%, SNDK Down 0.69%

On October 6, the memory chip sector traded weaker during the overnight session, with all major stocks closing lower. As of press time, Micron Technology (MU.US) was trading at **$1056.26** in overnight trading, down **0.72%** from the previous close; SanDisk (SNDK.US) traded at **$1692.34**, a decline of **0.69%**.

Among other major stocks, Western Digital (WDC.US) traded at $439.61 in the overnight session, down 0.46%; Seagate Technology (STX.US) was at $883.81, down 0.37%; and Everspin Technologies (MRAM.US) traded at $18.19, slightly down 0.16%. On the derivative side, MUU.US fell 1.40%, SNXX.US dropped 1.25%, while MUD.US rose 0.88% and SNDQ.US gained 1.63%, showing notable divergence within the sector.

Trading volume remained relatively light during the overnight session as investors await upcoming industry data and corporate earnings guidance. As a cyclical semiconductor sector, memory chips have been influenced by supply-demand dynamics and inventory adjustments recently, leading to frequent price fluctuations. Investors are advised to monitor subsequent industry sentiment changes and order situations from leading companies.

## Sector constituents

| Name | Ticker  | Last    | Change |
| ---- | ------- | ------- | ------ |
| SNDQ | SNDQ.US | 11.23   | +1.63% |
| MUD  | MUD.US  | 9.17    | +0.88% |
| MRAM | MRAM.US | 18.19   | -0.16% |
| STX  | STX.US  | 883.81  | -0.37% |
| WDC  | WDC.US  | 439.61  | -0.46% |
| SNDK | SNDK.US | 1692.34 | -0.69% |
| MU   | MU.US   | 1056.26 | -0.72% |
| SNXX | SNXX.US | 15.78   | -1.25% |
| MUU  | MUU.US  | 35.86   | -1.40% |

### 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

- [Top 3 AI Stocks To Watch In October 2026](https://longbridge.com/en/news/301211417.md)
- [Micron Stock Price Forecast: Unlikely to Break Record High of $1,255 in Short Term Amid Taiwan Strike Risk](https://longbridge.com/en/news/301253443.md)
- [Seagate vs. Western Digital: Rosenblatt Sees 90%+ Upside in One Memory Stock](https://longbridge.com/en/news/300934858.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)
- [This Insider Has Just Sold Shares In Everspin Technologies](https://longbridge.com/en/news/301264575.md)

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