---
type: "Topics"
locale: "zh-HK"
url: "https://longbridge.com/zh-HK/topics/39424907.md"
description: "Roy Neuberger (1929 Great Depression) - Background: The US stock market plummeted by 89%, countless people went bankrupt.​- Operation: Detected abnormal stock prices, decisively hedged and managed risks.​- Result: Preserved all principal; had no losing year in his 68-year investment career.​- Logic: Don't bet on a single direction; use tools to lock in principal."
datetime: "2026-03-21T12:37:42.000Z"
locales:
  - [en](https://longbridge.com/en/topics/39424907.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/39424907.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/39424907.md)
author: "[浩浩荡荡](https://longbridge.com/zh-HK/profiles/19784218.md)"
---

> 支持的語言: [English](https://longbridge.com/en/topics/39424907.md) | [简体中文](https://longbridge.com/zh-CN/topics/39424907.md)


# Roy Neuberger (1929 Great Depression) - Background…