---
title: "Bank of America warns semiconductor rally mirrors historic bubbles"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286614963.md"
description: "Bank of America cautions that the semiconductor rally resembles historic market bubbles, with the SOX index 62% above its 200-day average, a level linked to past collapses. Concerns arise as less than 60% of S&P 500 stocks exceed key moving averages, indicating narrow leadership. While some analysts predict continued gains from strong earnings and AI trends, others warn of potential sharp reversals due to the rally's fragility."
datetime: "2026-05-15T20:57:19.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286614963.md)
  - [en](https://longbridge.com/en/news/286614963.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286614963.md)
---

# Bank of America warns semiconductor rally mirrors historic bubbles

Historic technical stretch: The SOX index is 62% above its 200-day average, a level previously seen only before major market collapses in 1720 and 2000. Breadth problem emerges: Less than 60% of S&P 500 stocks are above key moving averages, raising concerns about narrow leadership driving the rally. Momentum vs. caution: While some analysts see strong earnings and AI trends extending gains, others warn the rally’s fragility could invite a sharp reversal.

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