---
title: "Black Swan July"
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/42714019.md"
description: "I made a serious mistake in a recent trade on SK Hynix, with a heavy position reaching one-third of my portfolio. It dropped 40% within a day and a half. I didn't cut losses in time and ended up selling at the lowest point just before the midday market close, only for it to rebound in the afternoon... This experience has made it completely clear to me that I need a plan for taking profits and cutting losses. $XL2CSOPHYNIX(07709.HK) Especially with leveraged products, caution upon caution is needed. Last night, I saw that the space sector had also fallen 50% from its highs. Whether individual stocks rise or fall tests one's inner resolve. Later on, I'll focus more on broad-based indices. Recently, I've been regaining my composure and starting over."
datetime: "2026-07-16T07:51:56.000Z"
locales:
  - [en](https://longbridge.com/en/topics/42714019.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/42714019.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/42714019.md)
author: "[挪威的森林里](https://longbridge.com/en/profiles/16394812.md)"
---

# Black Swan July

I made a serious mistake in a recent trade on SK Hynix, with the heavy position reaching one-third of my portfolio. It fell 40% within a day and a half. I didn't cut losses in time and ended up selling at the lowest point just before the midday market close, and then it rebounced in the afternoon... This experience has made it completely clear to me that I need a plan for taking profits and cutting losses.$XL2CSOPHYNIX(07709.HK) Especially for leveraged products, be extremely cautious.

Last night, I saw that the space-related stocks had also dropped 50% from their highs. Whether individual stocks rise or fall tests one's inner strength. Later on, I'll focus more on broad-based indices.

Recently, I've regained my form and am starting over.

### Related Stocks

- [SKHYV.US](https://longbridge.com/en/quote/SKHYV.US.md)
- [SKHY.US](https://longbridge.com/en/quote/SKHY.US.md)
- [07709.HK](https://longbridge.com/en/quote/07709.HK.md)

## Comments (2)

- **飞扬的油豆腐 · 2026-07-16T08:17:10.000Z**: It's basically impossible for this stock to rise back to 100, sigh... feeling bad.
  - **挪威的森林里** (2026-07-16T08:19:23.000Z): Well, with leverage and wear and tear, it's hard to reach 100.