Amentum Holdings Inc. Stock Falls Monday, Underperforms Market

Dow Jones07-14

DJ 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

July 13, 2026 17:19 ET (21:19 GMT)

Copyright (c) 2026 Dow Jones & Company, Inc.

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Stock Falls Monday, Underperforms Market\n\n\n  This article was automatically generated by MarketWatch using technology from Automated Insights. \n\n\n     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. \n\n\n     This was the stock's second consecutive day of losses. \n\n\n     Amentum Holdings Inc. closed 46.39% short of its 52-week high of $38.11, which the company reached on February 6th. \n\n\n     Trading volume (1.6 M) remained 583,797 below its 50-day average volume of 2.1 M. \n\n\n     Data source: Dow Jones Market Data, FactSet. Data compiled July 13, 2026. \n\n\n     This content was created by MarketWatch, which is operated by Dow Jones & Co. 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