This article was automatically generated by Dow Jones using technology from Automated Insights.
Shares of Biogen Inc. slid 2.9% to $199.95 on what proved to be an all-around dismal trading session for the stock market, with the S&P 500 Index falling 0.2% to 7,443.28 and Dow Jones Industrial Average falling 0.6% to 51,839.26.
This was the stock's second consecutive day of losses.
Biogen Inc. closed 9.0% below its 52-week high of $219.72, which the company achieved on June 29th.
The stock underperformed when compared to some of its peers, as Johnson & Johnson fell 1.7% to $248.82, Pfizer Inc. fell 1.2% to $24.75, and AbbVie Inc. fell 0.44% to $253.38.
Trading volume totaled 962,173, compared to the 50-day average of 1.3 million.
Data source: Dow Jones Market Data, FactSet
(END) Dow Jones Newswires
July 20, 2026 16:35 ET (20:35 GMT)
Copyright (c) 2026 Dow Jones & Company, Inc.