---
title: "Regeneron Pharmaceuticals Inc. Stock Underperforms Tuesday When Compared To Competitors"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/295578224.md"
description: "Regeneron Pharmaceuticals (REGN) stock fell 1.37% to $797.00 on Tuesday, underperforming competitors like Amgen, Moderna, and Gilead Sciences during a broader market decline. The drop ended a five-day winning streak, leaving the stock 2.94% below its 52-week high of $821.11. Trading volume was significantly lower than the 50-day average."
datetime: "2026-08-11T20:44:11.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/295578224.md)
  - [en](https://longbridge.com/en/news/295578224.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/295578224.md)
---

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

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

Shares of Regeneron Pharmaceuticals Inc. (REGN) slipped 1.37% to $797.00 Tuesday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index falling 0.32% to 7,728.20 and Dow Jones Industrial Average falling 0.34% to 53,791.85.

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

Regeneron Pharmaceuticals Inc. closed 2.94% below its 52-week high of $821.11, which the company achieved on January 9th.

The stock underperformed when compared to some of its competitors Tuesday, as Amgen Inc. (AMGN) fell 0.70% to $414.30, Moderna Inc. (MRNA) rose 1.27% to $60.57, and Gilead Sciences Inc. (GILD) rose 2.04% to $135.77.

Trading volume (611,040) remained 351,006 below its 50-day average volume of 962,046.

Data source: Dow Jones Market Data, FactSet. Data compiled August 11, 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

08-11-26 1644ET

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