Archived explainer. For the current picture see today's PWR page.
Why Is QUANTA SVCS INC (PWR) Stock Down Today?
By the Top Tier Newswire AI Desk · August 21, 2026 at 12:20 PM ET · reviewed against 3 wire stories
QUANTA SVCS INC (PWR) is down -4.00% in the latest session. Our newswire has captured 3 stories on PWR across 2 sources in the last 36 hours, with AI sentiment reading mixed (avg 55/100).
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PWR stock fell 4.00% to $635.99 in the session, underperforming against its recent trend and competitors. The decline followed a sharp intraday reversal from a modest opening gap up. The stock opened at $672.00 but declined steadily throughout the day, reaching a low of $635.61. The move came as Quanta Services Inc. lagged behind its peers, despite a recent analyst upgrade and strong year-to-date performance.
What Happened
The stock’s decline marked a reversal from the prior session’s close of $662.47. Quanta Services opened with a 1.4% gap up but failed to sustain the momentum, falling below its intraday high of $673.51 shortly after 7:25 AM ET. By midday, the stock had dropped to its session low of $635.61. The sell-off occurred despite a recent Keybanc upgrade to Overweight and a $807 price target. The stock’s underperformance was highlighted in a MarketWatch report that noted its lag relative to competitors. Meanwhile, broader market sentiment was mixed, with some headlines emphasizing the strong performance of certain S&P 500 stocks over the past five years.
What The Data Shows
The stock traded on 0.4 million shares, which is 0.3 times the 3-month daily average. The session’s volume and price action suggest a shift in sentiment, despite Quanta’s fundamentals showing strong revenue growth of 26.3% in the trailing twelve months. The stock currently trades at a P/E of 75.8 and a market cap of $101.8 billion. On the 52-week tape, the stock printed 35 fresh 52-week lows on August 21, indicating broader pressure on the name. Congressional transactions in the last 90 days included six buys and two sells, with the most recent filing on July 21.
What To Watch
The stock has no upcoming earnings report noted in the provided data. Investors may monitor coverage breadth for additional analyst commentary or corporate developments that could influence the stock’s direction.
AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.
PWR · Aug 21 session (5-min) · -3.49% vs prior close · updated 8:52 PM ETAI sentiment, last 36h · averaged over 3 stories · 55/100 bullish
The headlines behind the move
Story flow · 3 stories on the wire, last 36h · hover or tap a dot for the headline
23d agoBarchartBULLISH 65Analyst
Are Wall Street Analysts Bullish on Quanta Services Stock?
Quanta Services has outpaced the broader market over the past year, and analysts remain highly bullish about the stock’s prospects.
23d agoMarketWatchBULLISH 58General
EU Closes Antitrust Investigation into Pratt & Whitney After Contract Modifications
23d agoMarketWatchBEARISH 42General
Quanta Services Inc. stock underperforms Thursday when compared to competitors
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