--- title: "Amentum Holdings Inc. Stock Rises Tuesday, Outperforms Market" type: "News" locale: "en" url: "https://longbridge.com/en/news/294116159.md" description: "Amentum Holdings Inc. (AMTM) shares rose 2.58% to $23.46 on Tuesday, outperforming the broader market as the S&P 500 and Dow Jones also gained. This marks the stock's fifth consecutive day of gains. Despite the recent rally, Amentum remains 38.44% below its 52-week high of $38.11 set in February. Trading volume was lower than the 50-day average." datetime: "2026-07-28T21:18:01.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294116159.md) - [en](https://longbridge.com/en/news/294116159.md) - [zh-HK](https://longbridge.com/zh-HK/news/294116159.md) generator: "portal-rs" --- # Amentum Holdings Inc. Stock Rises Tuesday, Outperforms Market This article was automatically generated by MarketWatch using technology from Automated Insights. Shares of Amentum Holdings Inc. (AMTM) rallied 2.58% to $23.46 Tuesday, on what proved to be an all-around positive trading session for the stock market, with the S&P 500 Index rising 0.21% to 7,428.78 and the Dow Jones Industrial Average rising 1.03% to 52,747.32. This was the stock's fifth consecutive day of gains. Amentum Holdings Inc. closed 38.44% below its 52-week high of $38.11, which the company achieved on February 6th. Trading volume (1.5 M) remained 423,136 below its 50-day average volume of 2.0 M. Data source: Dow Jones Market Data, FactSet. Data compiled July 28, 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 07-28-26 1718ET ### Related Stocks - [AMTM.US](https://longbridge.com/en/quote/AMTM.US.md) - [.SPX.US](https://longbridge.com/en/quote/.SPX.US.md) - [.DJI.US](https://longbridge.com/en/quote/.DJI.US.md) - [FDS.US](https://longbridge.com/en/quote/FDS.US.md) ## Related News & Research - [Amentum-Laing O'Rourke JV wins ANI contract for Australia nuclear submarine shipyard program](https://longbridge.com/en/news/296228605.md) - [Amentum wins $974 million NASA Langley maintenance and engineering contract](https://longbridge.com/en/news/296491300.md) - [Starfighters Space, Inc. GAAP EPS of -$0.24](https://longbridge.com/en/news/296400745.md) - [Cloudastructure Inc. reports Q2 results](https://longbridge.com/en/news/296127291.md) - [AlTi Global Inc. Decreases Holdings in Alphabet Inc. $GOOG](https://longbridge.com/en/news/296447925.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**