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Shares of Amgen Inc. (AMGN) slid 2.63% to $321.23 Monday, on what proved to be an all-around poor trading session for the stock market, with the S&amp;P 500 Index  falling 0.35% to 6,846.51 and Dow Jones Industrial Average  falling 0.45% to 47,739.32.
This was the stock's third consecutive day of losses.
Amgen Inc. closed 7.26% short of its 52-week high of $346.38, which the company reached on December 3rd.
The stock underperformed when compared to some of its competitors Monday, as Johnson &amp; Johnson (JNJ) fell 0.15% to $201.62, Pfizer Inc. (PFE) fell 1.00% to $25.77, and AbbVie Inc. (ABBV) fell 1.31% to $223.12.
Trading volume (3.4 M) eclipsed its 50-day average volume of 2.6 M.
Data source: Dow Jones Market Data, FactSet. Data compiled December 8, 2025.
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(END) Dow Jones Newswires
12-08-25 1635ET

AMGN

<p>Amgen Inc.'s stock fell 2.63% to $321.23 on Monday, underperforming compared to competitors like Johnson & Johnson, Pfizer, and AbbVie. This marked the third consecutive day of losses for Amgen, closing 7.26% short of its 52-week high. Trading volume was higher than the 50-day average. The S&P 500 and Dow Jones also experienced declines.</p>

Amgen Inc. Stock Underperforms Monday When Compared To Competitors