---
type: "Topics"
locale: "zh-HK"
url: "https://longbridge.com/zh-HK/topics/39463747.md"
description: "$2 倍做多美光科技 ETF - Direxion(MUU.US)這是啥意思，反彈我的成本線就不動了？跟我有仇？看我不順眼！？"
datetime: "2026-03-23T16:27:11.000Z"
locales:
  - [en](https://longbridge.com/en/topics/39463747.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/39463747.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/39463747.md)
author: "[狗哥破产了（不格局）](https://longbridge.com/zh-HK/profiles/13950379.md)"
---

# $2 倍做多美光科技 ETF - Direxion(MUU.US)這是啥意思，反彈我的成本線就不動了…


### 相關股票

- [MUU.US](https://longbridge.com/zh-HK/quote/MUU.US.md)

## 評論 (2)

- **旺旺勇闯美股 · 2026-03-23T16:39:47.000Z**: 成本多少
  - **狗哥破产了（不格局）** (2026-03-23T19:41:06.000Z): 成本 80，美光這次是把我噁心到了。