---
type: "Topics"
locale: "zh-HK"
url: "https://longbridge.com/zh-HK/topics/42882843.md"
description: "$Roundhill Memory ETF(DRAM.US)美光回撤 21%，三星迴撤 28%，海力士回撤 36%，dram 回撤 27%，差不多就是這仨的平均值"
datetime: "2026-07-23T11:16:08.000Z"
locales:
  - [en](https://longbridge.com/en/topics/42882843.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/42882843.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/42882843.md)
author: "[全仓标普信息科技](https://longbridge.com/zh-HK/profiles/19910659.md)"
---

# $Roundhill Memory ETF(DRAM.US)美光回撤 21%，三星迴撤 28%，海力…


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