Amentum Holdings (AMTM) Soars on ‘Nuclear Monopoly’ Hype as UBS Starts Coverage at Neutral
November 19, 2025 Amentum Holdings, Inc. (NYSE: AMTM) staged a powerful rally on Wednesday, with the stock jumping around 13–14% to about $24.7 by the close, after a burst of bullish commentary on its role in U.S. nuclear infrastructure coincided with fresh Wall Street coverage from UBS. Investing.com+1 The move caps a busy news day for the Chantilly‑based engineering and technology group, which now sits at the intersection of three big stories investors care about: nuclear energy expansion, defense contract wins, and a fast‑filling analyst coverage slate. AMTM stock: double‑digit pop on heavy volume According to real‑time and end‑of‑day data, Amentum shares traded between roughly
