Amentum Holdings Inc. Stock Falls Thursday, Underperforms Market

Dow Jones

Aug 21

DJ Amentum Holdings Inc. Stock Falls Thursday, Underperforms Market

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

Shares of Amentum Holdings Inc. $(AMTM)$ shed 2.00% to $20.61 Thursday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index falling 0.87% to 7,641.16 and Dow Jones Industrial Average falling 1.32% to 52,759.21.

The stock's fall snapped a two-day winning streak.

Amentum Holdings Inc. closed 45.92% below its 52-week high of $38.11, which the company reached on February 6th.

Trading volume (3.1 M) eclipsed its 50-day average volume of 2.1 M.

Data source: Dow Jones Market Data, FactSet. Data compiled August 20, 2026.

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Stock Falls Thursday, Underperforms Market\n</h2>\n\n<h4 class=\"meta\">\n\n\n<div class=\"head\" \">\n\n\n<div class=\"h-thumb\" style=\"background-image:url(https://static.tigerbbs.com/150f88aa4d182df19190059f4a365e99);background-size:cover;\"></div>\n\n<div class=\"h-content\">\n<p class=\"h-name\">Dow Jones </p>\n<p class=\"h-time\">2026-08-21 05:33</p>\n</div>\n\n</div>\n\n\n</h4>\n\n</header>\n<article>\n<font class=\"NormalMinus1\" face=\"Arial\">\n<p>\nDJ Amentum Holdings Inc. Stock Falls Thursday, Underperforms Market\n</p>\n<p>\n  This article was automatically generated by MarketWatch using technology from Automated Insights. \n</p>\n<p>\n     Shares of Amentum Holdings Inc. <a href=\"https://laohu8.com/S/AMTM\">$(AMTM)$</a> shed 2.00% to $20.61 Thursday, on what proved to be an all-around poor trading session for the stock market, with the S&amp;P 500 Index  falling 0.87% to 7,641.16 and Dow Jones Industrial Average  falling 1.32% to 52,759.21. \n</p>\n<p>\n     The stock's fall snapped a two-day winning streak. \n</p>\n<p>\n     Amentum Holdings Inc. closed 45.92% below its 52-week high of $38.11, which the company reached on February 6th. \n</p>\n<p>\n     Trading volume (3.1 M) eclipsed its 50-day average volume of 2.1 M. \n</p>\n<p>\n     Data source: Dow Jones Market Data, FactSet. 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Stock Falls Thursday, Underperforms MarketThis article was automatically generated by MarketWatch using technology from Automated Insights.Shares of Amentum Holdings Inc.  shed 2.00% to $20.61 Thursday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index  falling 0.87% to 7,641.16 and Dow Jones Industrial Average  falling 1.32% to 52,759.21.The stock's fall snapped a two-day winning streak.Amentum Holdings Inc. closed 45.92% below its 52-week high of $38.11, which the company reached on February 6th.Trading volume  eclipsed its 50-day average volume of 2.1 M.Data source: Dow Jones Market Data, FactSet. 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Stock Falls Thursday, 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. $(AMTM)$ shed 2.00% to $20.61 Thursday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index  falling 0.87% to 7,641.16 and Dow Jones Industrial Average  falling 1.32% to 52,759.21. \n\n\n     The stock's fall snapped a two-day winning streak. \n\n\n     Amentum Holdings Inc. closed 45.92% below its 52-week high of $38.11, which the company reached on February 6th. \n\n\n     Trading volume (3.1 M) eclipsed its 50-day average volume of 2.1 M. \n\n\n     Data source: Dow Jones Market Data, FactSet. 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