---
title: "Quanta Services Inc. Stock Underperforms Tuesday When Compared To Competitors Despite Daily Gains"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293384294.md"
description: "Quanta Services Inc. (PWR) shares rose 1.05% to $639.20 on Tuesday, marking its second consecutive day of gains. However, the stock underperformed relative to competitors like AECOM, MasTec, and EMCOR Group. Trading volume remained below the 50-day average. Despite the daily increase, Quanta's stock closed 18.96% below its 52-week high of $788.75 reached in May."
datetime: "2026-07-21T20:39:08.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293384294.md)
  - [en](https://longbridge.com/en/news/293384294.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293384294.md)
---

# Quanta Services Inc. Stock Underperforms Tuesday When Compared To Competitors Despite Daily Gains

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

Shares of Quanta Services Inc. (PWR) rose 1.05% to $639.20 Tuesday, on what proved to be an all-around great trading session for the stock market, with the S&P 500 Index rising 0.89% to 7,509.20 and the Dow Jones Industrial Average rising 0.74% to 52,224.64.

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

Quanta Services Inc. closed 18.96% below its 52-week high of $788.75, which the company reached on May 6th.

The stock underperformed when compared to some of its competitors Tuesday, as AECOM (ACM) rose 1.47% to $68.94, MasTec Inc. (MTZ) rose 4.39% to $351.40, and EMCOR Group Inc. (EME) rose 2.18% to $760.27.

Trading volume (716,146) remained 560,681 below its 50-day average volume of 1.3 M.

Data source: Dow Jones Market Data, FactSet. Data compiled July 21, 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

07-21-26 1639ET

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## Related News & Research

- [Quanta Services (PWR) Lifts Outlook On Strong Earnings But Is The Valuation Already Priced In](https://longbridge.com/en/news/294448749.md)
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