Amentum Holdings Inc. Stock Falls Monday, Underperforms Market

This article was automatically generated by MarketWatch using technology from Automated Insights.

Shares of Amentum Holdings Inc. (AMTM) slipped 2.76% to $20.43 Monday, on what proved to be an all-around rough trading session for the stock market, with the S&P 500 Index falling 0.79% to 7,515.34 and Dow Jones Industrial Average falling 0.26% to 52,498.64.

This was the stock's second consecutive day of losses.

Amentum Holdings Inc. closed 46.39% short of its 52-week high of $38.11, which the company reached on February 6th.

Trading volume (1.6 M) remained 583,797 below its 50-day average volume of 2.1 M.

Data source: Dow Jones Market Data, FactSet. Data compiled July 13, 2026.

This content was created by MarketWatch, which is operated by Dow Jones & Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.

(END) Dow Jones Newswires

07-13-26 1719ET

Amentum Holdings Inc. (AMTM) shares fell 2.76% to $20.43 on Monday, underperforming the broader market as the S&P 500 and Dow Jones also declined. This marks the stock's second consecutive day of losses. Amentum is currently trading 46.39% below its 52-week high of $38.11 reached in February. Trading volume was lower than the 50-day average.

This article was automatically generated by MarketWatch using technology from Automated Insights.

This was the stock's second consecutive day of losses.

Amentum Holdings Inc. closed 46.39% short of its 52-week high of $38.11, which the company reached on February 6th.

Trading volume (1.6 M) remained 583,797 below its 50-day average volume of 2.1 M.

Data source: Dow Jones Market Data, FactSet. Data compiled July 13, 2026.

This content was created by MarketWatch, which is operated by Dow Jones & Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.

(END) Dow Jones Newswires

07-13-26 1719ET