This article was automatically generated by Dow Jones using technology from Automated Insights.
Shares of Regeneron Pharmaceuticals Inc. shed 3.8% to $611.34 on what proved to be an all-around mixed trading session for the stock market, with the S&P 500 Index rising 0.3% to 7,405.73 and the Dow Jones Industrial Average falling 0.2% to 50,786.01.
The stock's fall snapped a four-day winning streak.
Regeneron Pharmaceuticals Inc. closed 25.5% short of its 52-week high of $821.11, which the company reached on January 9th.
The stock underperformed when compared to some of its peers, as Amgen Inc. fell 1.1% to $345.73, Moderna Inc. rose 0.3% to $47.60, and Gilead Sciences Inc. fell 0.82% to $128.10.
Trading volume totaled 1.0 million, compared to the 50-day average of 907,209.
Data source: Dow Jones Market Data, FactSet
(END) Dow Jones Newswires
June 08, 2026 16:35 ET (20:35 GMT)
Copyright (c) 2026 Dow Jones & Company, Inc.