股票市场概览：资讯日报：AI颠覆性风险再度冲击美股，物流和商业地产等传统板块重挫

Market Overview - The U.S. stock market experienced a significant decline, with the Nasdaq dropping by 2.0%, while the S&P 500 and Dow Jones fell by over 1% each, driven by concerns over AI's disruptive impact on traditional business models[9][10]. - The Hang Seng Index closed at 27,033, down 0.86% for the day, while the Hang Seng Tech Index fell by 1.65%[3]. Sector Performance - Major technology stocks in Hong Kong faced pressure, with Meituan and NetEase both declining over 4%, and Tencent and Baidu dropping more than 2%[9]. - The electric equipment sector showed strong performance, with Harbin Electric rising by 13.73% after forecasting a 57.2% increase in net profit for 2025[9]. - AI application stocks surged, with Zhizhu rising by 28.68% due to strong market demand and a price adjustment announcement[9]. Economic Indicators - The heavy machinery sector continued its upward trend, with sales of excavators in January 2026 increasing by 49.5% year-on-year, driven by both domestic and export demand[9]. - Consumer stocks showed weakness, with notable declines in companies like Jiumaojiu and Budweiser Asia, which reported a 6.0% drop in total sales for the fiscal year 2025[9]. Global Market Trends - Concerns about AI's impact on the labor market have affected real estate demand, leading to declines in commercial real estate stocks like CBRE and SL Green Realty[10]. - Defensive stocks such as Walmart and Coca-Cola recorded positive returns, indicating a shift towards safer investments amid rising market volatility[13].