---
title: "Pfizer’s deep stock slump sparks debate over long-term value"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/288182651.md"
description: "Pfizer's stock has dropped over 50% from its 2021 peak due to patent expirations and declining COVID product sales. Analyst sentiment is divided, with most exercising caution while some view the decline as a contrarian buying opportunity. The company continues to advance its pipeline in vaccines, oncology, and migraine treatments, having acquired a GLP-1 candidate after terminating its internal program."
datetime: "2026-05-31T21:01:07.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/288182651.md)
  - [en](https://longbridge.com/en/news/288182651.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/288182651.md)
---

# Pfizer’s deep stock slump sparks debate over long-term value

Stock under pressure: Pfizer shares are down over 50% from 2021 highs, weighed by patent risks and COVID product declines. Investor sentiment split: Most analysts rate the stock cautiously, but some see the sell-off as a contrarian buying opportunity. Pipeline in focus: Pfizer is advancing vaccines, oncology, and migraine drugs, and acquired a GLP-1 candidate after ending its own program.

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