---
title: "Regeneron Pharmaceuticals Inc. Stock Underperforms Thursday When Compared To Competitors"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/297957388.md"
description: "Regeneron Pharmaceuticals (REGN) shares fell 1.00% to $843.47 on Thursday, underperforming the broader market as the S&P 500 and Dow Jones rose. This decline ended a three-day winning streak. Regeneron closed 1.29% below its 52-week high of $854.49. Trading volume was significantly lower than the 50-day average."
datetime: "2026-09-03T20:42:35.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/297957388.md)
  - [en](https://longbridge.com/en/news/297957388.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/297957388.md)
generator: "portal-rs"
---

# Regeneron Pharmaceuticals Inc. Stock Underperforms Thursday When Compared To Competitors

This article was automatically generated by MarketWatch using technology from Automated Insights.

Shares of Regeneron Pharmaceuticals Inc. (REGN) shed 1.00% to $843.47 Thursday, on what proved to be an all-around positive trading session for the stock market, with the S&P 500 Index rising 1.06% to 7,747.71 and the Dow Jones Industrial Average rising 1.18% to 53,686.11.

The stock's fall snapped a three-day winning streak.

Regeneron Pharmaceuticals Inc. closed 1.29% below its 52-week high of $854.49, which the company reached on September 2nd.

The stock demonstrated a mixed performance when compared to some of its competitors Thursday, as Amgen Inc. (AMGN) rose 0.29% to $444.12, Moderna Inc. (MRNA) fell 1.29% to $148.87, and Gilead Sciences Inc. (GILD) rose 1.08% to $151.22.

Trading volume (494,871) remained 279,833 below its 50-day average volume of 774,704.

Data source: Dow Jones Market Data, FactSet. Data compiled September 3, 2026.

This content was created by MarketWatch, which is operated by Dow Jones & Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.

(END) Dow Jones Newswires

09-03-26 1642ET

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