--- title: "U.S. stock market update: Sterling Infrastructure down 14.46%, rating abandoned due to capital outflow causing heavy losses" type: "News" locale: "en" url: "https://longbridge.com/en/news/294093032.md" description: "Sterling Infrastructure fell 14.46%; Comfort Systems USA Inc. fell 7.07%, with a transaction volume of USD 569 million; Quanta Services fell 5.37%, with a transaction volume of USD 322 million; Mastec fell 6.57%, with a transaction volume of USD 168 million; Ferrovial SE fell 0.94%, with a market value of USD 44.8 billion" datetime: "2026-07-28T16:28:10.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294093032.md) - [en](https://longbridge.com/en/news/294093032.md) - [zh-HK](https://longbridge.com/zh-HK/news/294093032.md) --- # U.S. stock market update: Sterling Infrastructure down 14.46%, rating abandoned due to capital outflow causing heavy losses **U.S. Stock Market Midday Update** Sterling Infrastructure fell 14.46%. Based on recent news, 1. On July 27, MarketBeat reported that although Sterling Infrastructure currently has a buy rating among analysts, top analysts believe there are five stocks that are more worthy of purchase than Sterling Infrastructure. This news may lead to a decline in investor confidence in Sterling Infrastructure, resulting in a significant drop in its stock price. 2. On July 27, Benzinga reported that SiTime Corp performed better than expected, despite its stock price dropping 19.93% in the past month. SiTime's strong performance may have attracted some investors' attention, leading to capital flowing out of Sterling Infrastructure, further exacerbating its stock price decline. 3. On July 27, overall market volatility increased, with multiple industry reports indicating a worsening economic divergence, affecting investor sentiment and putting pressure on Sterling Infrastructure's stock price. Increased market volatility and worsening economic divergence. **Top Stocks by Industry Trading Volume** Comfort Systems USA fell 7.07%. Based on recent key news: 1. On July 27, analysts raised the target price for Comfort Systems USA. Although the stock price performed better than the market, adjustments in market expectations for its future profitability may lead to stock price fluctuations. The median target price among analysts was raised from $2087.5 to $2165.5, indicating market confidence in its future growth; 2. On July 27, the 2026 EPS estimate for Comfort Systems USA was raised, improving market expectations for its profitability, but the stock price still declined. The median EPS estimate was raised from $43.27 to $43.98, reflecting a positive market outlook on its future profitability; 3. On July 28, overall market volatility intensified, leading to divergent performance among different companies, which caused Comfort Systems USA's stock price to drop. The divergence in investment strategies among different companies exacerbated stock price volatility. Increased market volatility and clear investor divergence. Quanta Services fell 5.37%. No significant news recently; trading was active with clear capital flows. Considering sector and industry trends, the stock showed significant volatility, and specific reasons need further observation. no\_news Mastec fell 6.57%. Based on recent news, 1. On July 27, MarketBeat noted that Mastec was not among the five stocks recommended by top analysts. Although Mastec currently has a moderate buy rating among analysts, top analysts believe that the other five stocks are more worthy of purchase, which weakened market confidence in Mastec This has led to a decline in stock prices. 2. On July 26, Simply Wall St published an article emphasizing that its analysis is based on historical data and analyst forecasts and does not constitute buy or sell advice. The article did not take into account the latest price-sensitive company announcements or qualitative materials, which may lead to uncertainty for investors regarding Mastec's future performance, thereby affecting the stock price. 3. There have been no other significant news recently. Market confidence in Mastec has weakened, and trading volume has increased. **Stocks ranked among the top in industry market capitalization** Ferrovial SE, down 0.94%, with a market capitalization of $44.8 billion, increased trading volume, and no significant news recently. Trading is active, with clear capital flow. Considering sector and industry trends, this stock shows significant volatility, and the specific reasons need further observation ### Related Stocks - [STRL.US](https://longbridge.com/en/quote/STRL.US.md) - [FIX.US](https://longbridge.com/en/quote/FIX.US.md) - [PWR.US](https://longbridge.com/en/quote/PWR.US.md) - [MTZ.US](https://longbridge.com/en/quote/MTZ.US.md) - [FER.US](https://longbridge.com/en/quote/FER.US.md) ## Related News & Research - [Why Wall Street Expects AAON, FN, and STRL to Rally over 50% as Chip Stocks Sell Off](https://longbridge.com/en/news/296389863.md) - [Sterling Infrastructure, Inc. $STRL Shares Purchased by Cim LLC](https://longbridge.com/en/news/294324673.md) - [Trump’s economic approval is stuck in the basement — even Fox News allies are getting impatient. 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