---
type: "Topics"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/topics/39591885.md"
description: "Stones from other hills can polish jade. The decay of 2x ETFs is indeed severe. The excitement isn't strong when it rises, but it's heart-wrenching when it falls!!! All my tuition fees have been paid here!"
datetime: "2026-03-27T18:02:42.000Z"
locales:
  - [en](https://longbridge.com/en/topics/39591885.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/39591885.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/39591885.md)
author: "[BE PATIENT](https://longbridge.com/zh-CN/profiles/13765477.md)"
---

> 支持的语言: [English](https://longbridge.com/en/topics/39591885.md) | [繁體中文](https://longbridge.com/zh-HK/topics/39591885.md)


# Stones from other hills can polish jade. The decay…


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## 评论 (3)

- **那个触摸一千万的孩子 · 2026-03-27T20:41:54.000Z**: Let me give you an example, I still don’t dare to buy. I know there’s something called wear and tear, but I don’t really understand it.
  - **梅德韦杰夫的交易员** (2026-03-27T21:20:14.000Z): Just ask AI and you'll understand.
  - **旧用户_fafa** (2026-03-28T19:09:32.000Z): If it falls ten points, it needs to rise more than ten points to break even. This is the attrition.