---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/40996143.md"
description: "$Roundhill Memory ETF(DRAM.US) What's going on? It skyrocketed before I bought. As soon as I bought it, why aren't the ones that should be rising actually rising?"
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/en/profiles/17282109.md)"
---

# $Roundhill Memory ETF(DRAM.US) What's going on? It…


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