Amgen's 170% Volume Surge Boosts It to 76th in U.S. Trading Activity Shares Rise 3.47%

On September 19, 2025, , . stocks in terms of trading activity. , reflecting heightened investor interest.

The abnormal volume spike suggests significant institutional or algorithmic activity, though no specific catalysts were disclosed in the provided materials. The stock’s performance aligns with broader market trends favoring biotech sectors amid regulatory updates and earnings season dynamics. However, the absence of firm-specific news in the referenced content means the move likely stems from rather than Amgen-specific developments.

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