行业跟踪：公用事业产业链核心数据跟踪

Investment Rating - The report does not explicitly state the investment rating for the industry, but it provides a framework for categorizing ratings based on expected returns over the next six months [10]. Core Insights - The public utility sector showed a decline of 0.73%, while the coal sector experienced a more significant drop of 4.50% in today's market performance [2]. - The report highlights the successful trial operation of a 30,000-ton heavy-haul train by the National Energy Group, marking a significant advancement in coal transportation technology [3]. Market Performance Summary - The Shanghai Composite Index fell by 0.67%, with the CSI 300 down by 0.30% and the ChiNext Index down by 0.34% [2]. - In the public utility sector, the top-performing stocks were *ST Huaitian, Shimao Energy, and Baitong Energy, with gains of 4.55%, 4.29%, and 4.04% respectively [2]. - In the coal sector, the leading stocks were Huaihe Energy, Yongtai Energy, and Meijin Energy, with performance changes of 0.35%, -0.75%, and -1.12% respectively [2]. Industry Developments - The successful operation of the 30,000-ton heavy-haul train on the Shuohuang Railway is a significant milestone, enhancing the capacity of coal transportation and showcasing advancements in domestic railway technology [3]. - The Shuohuang Railway has been operational for eight years, regularly running 20,000-ton heavy-haul trains and transporting over 1.1 billion tons of coal, indicating its critical role in national energy supply [3].