--- title: "Quanta Services Inc. Stock Underperforms Friday When Compared To Competitors" type: "News" locale: "en" url: "https://longbridge.com/en/news/296651388.md" description: "Quanta Services Inc. (PWR) shares fell 3.49% to $639.34 on Friday, underperforming the broader market and its competitors like AECOM, MasTec, and EMCOR during a positive trading session. This marks the fourth consecutive day of losses for Quanta, which is now 18.94% below its 52-week high. Trading volume remained slightly below the 50-day average." datetime: "2026-08-21T20:40:14.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/296651388.md) - [en](https://longbridge.com/en/news/296651388.md) - [zh-HK](https://longbridge.com/zh-HK/news/296651388.md) generator: "portal-rs" --- # Quanta Services Inc. Stock Underperforms Friday When Compared To Competitors This article was automatically generated by MarketWatch using technology from Automated Insights. Shares of Quanta Services Inc. (PWR) slid 3.49% to $639.34 Friday, on what proved to be an all-around positive trading session for the stock market, with the S&P 500 Index rising 0.43% to 7,674.37 and the Dow Jones Industrial Average rising 0.98% to 53,277.01. This was the stock's fourth consecutive day of losses. Quanta Services Inc. closed 18.94% below its 52-week high of $788.75, which the company achieved on May 6th. The stock underperformed when compared to some of its competitors Friday, as AECOM (ACM) fell 0.60% to $64.79, MasTec Inc. (MTZ) fell 2.06% to $266.26, and EMCOR Group Inc. (EME) fell 1.37% to $776.62. Trading volume (1.2 M) remained 56,684 below its 50-day average volume of 1.3 M. Data source: Dow Jones Market Data, FactSet. Data compiled August 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 08-21-26 1640ET ### Related Stocks - [PWR.US](https://longbridge.com/en/quote/PWR.US.md) - [.SPX.US](https://longbridge.com/en/quote/.SPX.US.md) - [.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) - [FDS.US](https://longbridge.com/en/quote/FDS.US.md) ## Related News & Research - [Quanta Services (PWR) Stock Looks Stretched On Cash Flow And Earnings](https://longbridge.com/en/news/296689035.md) - [Are Wall Street Analysts Bullish on Quanta Services Stock?](https://longbridge.com/en/news/296621625.md) - [Quanta Services (NYSE:PWR) Shares Down 3.8% - Should You Sell?](https://longbridge.com/en/news/296645138.md) - [PWR: Revenue up slightly, profit down 47.5%, record used/service revenue, 3.6c total dividend](https://longbridge.com/en/news/296541841.md) - [Omnicom Group Inc. Stock Outperforms Competitors On Strong Trading Day](https://longbridge.com/en/news/296829006.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**