---
title: "Verify your own understanding with your own actions"
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/36462808.md"
description: "Given enough time, no one on Earth can outperform QQQ. If there is, it might be TQQQ. Since no one can outperform QQQ, where does the difference in investing in U.S. stocks lie? The difference lies in how you make decisions during a sharp decline—whether to liquidate, add positions, hold steady, or even leverage up."
datetime: "2025-11-18T07:43:21.000Z"
locales:
  - [en](https://longbridge.com/en/topics/36462808.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/36462808.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/36462808.md)
author: "[相信概率](https://longbridge.com/en/profiles/16083627.md)"
---

# Verify your own understanding with your own actions

Given enough time, no one on Earth can outperform QQQ. If there is, it might be TQQQ. Since no one can outperform QQQ, where does the difference in investing in U.S. stocks lie? The difference lies in how you make decisions during a sharp decline—whether to liquidate, add positions, hold steady, or leverage up.

### Related Stocks

- [QQQ.US](https://longbridge.com/en/quote/QQQ.US.md)

## Comments (4)

- **命运 · 2026-03-18T05:54:59.000Z**: Courage
- **SPMO+QLD定投15年 · 2025-11-18T12:46:23.000Z**: FNGO is even better,
  - **我要自由6666** (2025-11-20T13:41:11.000Z): What is it??
- **Jack.Lee · 2025-11-18T08:44:41.000Z**: Stay still, lie flat