---
title: "Quanta Services Inc. Stock Underperforms Wednesday When Compared To Competitors"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/296398489.md"
description: "Quanta Services Inc. (PWR) stock underperformed on Wednesday, slipping 2.69% to $677.41 despite a positive broader market session where the S&P 500 and Dow Jones rose. This marks the second consecutive day of losses for Quanta, which is now trading 14.12% below its 52-week high. While competitors like AECOM gained, MasTec and EMCOR declined. Trading volume was below the 50-day average."
datetime: "2026-08-19T20:39:54.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/296398489.md)
  - [en](https://longbridge.com/en/news/296398489.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/296398489.md)
generator: "portal-rs"
---

# Quanta Services Inc. Stock Underperforms Wednesday When Compared To Competitors

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

Shares of Quanta Services Inc. (PWR) slipped 2.69% to $677.41 Wednesday, 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 7,707.98 and the Dow Jones Industrial Average rising 0.22% to 53,463.05.

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

Quanta Services Inc. closed 14.12% below its 52-week high of $788.75, which the company reached on May 6th.

The stock demonstrated a mixed performance when compared to some of its competitors Wednesday, as AECOM (ACM) rose 5.38% to $65.04, MasTec Inc. (MTZ) fell 2.88% to $272.07, and EMCOR Group Inc. (EME) fell 2.27% to $805.78.

Trading volume (1.1 M) remained 131,602 below its 50-day average volume of 1.3 M.

Data source: Dow Jones Market Data, FactSet. Data compiled August 19, 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

08-19-26 1639ET

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- [.DJI.US](https://longbridge.com/en/quote/.DJI.US.md)
- [ACM.US](https://longbridge.com/en/quote/ACM.US.md)
- [MTZ.US](https://longbridge.com/en/quote/MTZ.US.md)
- [EME.US](https://longbridge.com/en/quote/EME.US.md)

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