---
title: "Billionaire Ray Dalio says today's artificial intelligence (AI) market echoes 1929 and 2000. History says investors should watch valuations closely"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296141586.md"
description: "Ray Dalio warns that the current exuberance propelling the stock market is unsustainable."
datetime: "2026-08-17T20:12:41.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296141586.md)
  - [en](https://longbridge.com/en/news/296141586.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296141586.md)
generator: "portal-rs"
---

# Billionaire Ray Dalio says today's artificial intelligence (AI) market echoes 1929 and 2000. History says investors should watch valuations closely

Ray Dalio warns that the current exuberance propelling the stock market is unsustainable.

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**