---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/35048656.md"
description: "US stocks are straightforward: buy big when they drop big, buy small when they drop small. What's with the K-line?"
datetime: "2025-10-10T12:38:28.000Z"
locales:
  - [en](https://longbridge.com/en/topics/35048656.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/35048656.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/35048656.md)
author: "[波波的交易员](https://longbridge.com/en/profiles/12394424.md)"
---

# US stocks are straightforward: buy big when they d…