---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/40037809.md"
description: "$NASDAQ Composite Index(.IXIC.US)U.S. stocks have repeatedly hit record highs, yet the P/E ratio has simultaneously dropped significantly.— Behind this unprecedented combination is the joint, temporary boost to profit expectations from the surge in AI chip demand and the Iran war.Once the AI boom reverses or a ceasefire materializes, valuations that seem "cheap" today may ironically appear expensive in hindsight."
datetime: "2026-04-20T10:40:28.000Z"
locales:
  - [en](https://longbridge.com/en/topics/40037809.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/40037809.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/40037809.md)
author: "[Horizon ](https://longbridge.com/en/profiles/12319646.md)"
---

# $NASDAQ Composite Index(.IXIC.US)U.S. stocks have …


### Related Stocks

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