---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/39934911.md"
description: "$Roundhill Memory ETF(DRAM.US) Samsung and SK Hynix both surged, Micron only fell 3 points, how did you manage to drop over 4 points???"
datetime: "2026-04-15T14:15:10.000Z"
locales:
  - [en](https://longbridge.com/en/topics/39934911.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/39934911.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/39934911.md)
author: "[蜀道香](https://longbridge.com/en/profiles/26458851.md)"
---

# $Roundhill Memory ETF(DRAM.US) Samsung and SK Hyni…


### Related Stocks

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

## Comments (2)

- **凊泠 · 2026-04-15T14:23:51.000Z**: This trend basically confirms that Samsung and SK Hynix will open lower tomorrow in South Korea, equivalent to having fallen in advance.
  - **时光机丶** (2026-04-15T15:55:13.000Z): It fell in advance, why is the premium still 3%? I don't get it.