Regeneron Pharmaceuticals Inc. Stock Falls 4.5%, Underperforms Peers

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

Shares of Regeneron Pharmaceuticals Inc. slid 4.5% to $752.25 on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index falling 0.8% to 7,683.69 and Dow Jones Industrial Average falling 0.7% to 51,481.51.

This was the stock's fourth consecutive day of losses.

Regeneron Pharmaceuticals Inc. closed 12.5% below its 52-week high of $859.34, which the company achieved on September 3rd.

The stock underperformed when compared to some of its peers, as Amgen Inc. rose 0.8% to $418.13, Moderna Inc. fell 0.8% to $197.28, and Gilead Sciences Inc. rose 0.85% to $152.21.

Trading volume totaled 1.1 million, compared to the 50-day average of 746,021.

Data source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

September 28, 2026 16:33 ET (20:33 GMT)