---
type: "Topics"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/topics/40996143.md"
description: "$Roundhill Memory ETF(DRAM.US)什么情况？我买之前暴涨。一买，怎么该涨的都不涨？"
datetime: "2026-05-21T14:11:10.000Z"
locales:
  - [en](https://longbridge.com/en/topics/40996143.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/40996143.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/40996143.md)
author: "[喔德发°](https://longbridge.com/zh-CN/profiles/17282109.md)"
---

# $Roundhill Memory ETF(DRAM.US)什么情况？我买之前暴涨。一买，怎么该涨的…


### 相关股票

- [DRAM.US](https://longbridge.com/zh-CN/quote/DRAM.US.md)
- [MU.US](https://longbridge.com/zh-CN/quote/MU.US.md)