---
title: "Amentum Holdings Inc. Stock Rises Wednesday, Outperforms Market"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293523247.md"
description: "Amentum Holdings Inc. (AMTM) shares rose 2.10% to $21.42 on Wednesday, outperforming the broader market which saw declines in the S&P 500 and Dow Jones Industrial Average. Despite this daily gain, AMTM remains 43.79% below its 52-week high of $38.11. Trading volume was lower than the 50-day average."
datetime: "2026-07-22T21:17:17.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293523247.md)
  - [en](https://longbridge.com/en/news/293523247.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293523247.md)
generator: "portal-rs"
---

# Amentum Holdings Inc. Stock Rises Wednesday, Outperforms Market

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

Shares of Amentum Holdings Inc. (AMTM) rose 2.10% to $21.42 Wednesday, on what proved to be an all-around grim trading session for the stock market, with the S&P 500 Index falling 0.14% to 7,498.96 and Dow Jones Industrial Average falling 0.01% to 52,218.58.

Amentum Holdings Inc. closed 43.79% below its 52-week high of $38.11, which the company reached on February 6th.

Trading volume (1.7 M) remained 368,834 below its 50-day average volume of 2.1 M.

Data source: Dow Jones Market Data, FactSet. Data compiled July 22, 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

07-22-26 1717ET

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**