---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/42334611.md"
description: "$Roundhill Memory ETF(DRAM.US)Concentrated, active, and sustained selling pressure led to Hynix's stock price weakening today, with DRAM's night session seeing a maximum drop of 5%.Basic factors remain unchanged, but upward momentum this week appears to have significantly slowed. Short calls need to watch for the right time to exit."
datetime: "2026-07-01T06:43:20.000Z"
locales:
  - [en](https://longbridge.com/en/topics/42334611.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/42334611.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/42334611.md)
author: "[HANnah](https://longbridge.com/en/profiles/12271596.md)"
---

# $Roundhill Memory ETF(DRAM.US)Concentrated, active…


### Related Stocks

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

## Comments (5)

- **半月之风 · 2026-07-01T06:48:08.000Z · 👍 1**: These kinds of short essays are the most meaningless; they're all hindsight and can be explained in ten thousand ways.
- **复利再复利 · 2026-07-01T06:47:49.000Z**: Can you continue dollar-cost averaging for long-term holding?
  - **HANnah** (2026-07-01T06:50:01.000Z): Personal opinions are not for reference. The fundamentals haven't changed. If you don't particularly focus on short-term pullbacks, you can dollar-cost average until at least October and then take a w
  - **码死磕** (2026-07-01T07:28:05.000Z): This ETF is basically Samsung, SK Hynix, and Micron, two of which can be bought directly soon. Giving commissions to the fund company?
  - **脆皮大学牲** (2026-07-01T08:24:02.000Z): This is not the point, right? 😅