格隆汇12月16日｜根据上海证券交易所此前公告，上证50指数更换4只样本，其中，上汽集团、北方稀 土、华电新能、中科曙光调入上证50指数样本。上汽集团方面认为这一调整不仅印证了公司在市值规 模、市场流动性等核心指标上的实力，更标志着其全面深化改革与创新转型成效获得资本市场高度认 可。 ...

2025 年 12 月 14 日 ——公用事业行业周报（20251214） 要点 本周行情回顾：本周 SW 公用事业一级板块下跌 0.09%，在 31 个 SW 一级板 块中排名第 11；沪深 300 下跌 0.08%，上证综指下跌 0.34%，深证成指上涨 0.84%，创业板指上涨 2.74%。细分子板块中，火电上涨 0.22%，水电下跌 0.26%，光伏发电上涨 1.27%，风力发电上涨 0.11%，电能综合服务上涨 0.48%，燃气下跌 0.86%。本周公用事业涨幅前五的个股分别为嘉泽新能 （+9.71%）、银星能源（+8.58%）、中泰股份（+7.79%）、西昌电力（+5.38%）、 郴电国际（+4.14%）；周跌幅前五的个股分别为蓝天燃气（-15.21%）、德 龙汇能（-14.02%）、惠天热电（-12.62%）、华通热力（-11.33%）、联美 控股（-10.05%）。 本周数据更新：本周动力煤价格加速下跌。其中，秦皇岛港 5500 大卡动力煤 （中国北方，平仓价）周环比下跌 39 元/吨；防城港 5500 大卡动力煤（印度 尼西亚，场地价）本周周环比下跌 10 元/吨；广州港 5500 大卡动力 ...

12月12日，上证50指数将迎来最新变化。据上交所此前公告，上证50指数样本股调出保利发展、中国移 动、中国铝业和中国中车，调入上汽集团、北方稀土、华电新能和中科曙光，这一调整于12月12日生 效。 上证50指数以上证180指数样本为样本空间，挑选上海证券市场规模大、流动性好的最具代表性的50只 证券作为样本，综合反映上海证券市场最具市场影响力的一批龙头企业的整体表现。 此次调整略让市场与投资者意外。从基本面来看，被调出指数的四家企业本身均是行业龙头，而且业绩 表现优良，发展具有韧劲。因此，在投资者看来，此次调仓是指数本身"传统"与"新兴"行业的切换，也 更多反映行业周期阶段下的市场流动性变化。对于被调出的成分股，市场也仍然肯定它们的投资价值， 也并不影响投资者对单一企业价值的判断。 调仓背后 上证50指数作为 "沪市核心资产晴雨表"，其编制逻辑主要围绕 "规模+流动性" 两大核心指标，而非直 接关联企业盈利能力、行业地位等基本面要素。 根据中证指数公司发布的编制方案，该指数以上证180指数样本为基础，按过去一年A股日均总市值、 日均成交金额进行综合排名，选取前50名证券作为成分股，每半年定期调整（6月、12 ...

2025 年 12 月 8 日 行业研究 动力煤价格加速下行，广东开启 2026 年电力市场年度交易 ——公用事业行业周报（20251207） 要点 本周行情回顾：本周 SW 公用事业一级板块上涨 0.12%，在 31 个 SW 一级板 块中排名第 17；沪深 300 上涨 1.28%，上证综指上涨 0.37%，深证成指上涨 1.26%，创业板指上涨 1.86%。细分子板块中，火电下跌 0.2%，水电上涨 0.66%，光伏发电上涨 0.07%，风力发电上涨 0.62%，电能综合服务上涨 0.35%，燃气下跌 1.66%。本周公用事业涨幅前五的个股分别为闽东电力 （+16.86%）、中闽能源（+12.62%）、惠天热电（+12.60%）、华通热力 （+7.56%）、德龙汇能（+6.19%）；周跌幅前五的个股分别为上海电力 （-13.53%）、恒盛能源（-12.13%）、大众公用（-9.84%）、世茂能源（-6.86%）、 长春燃气（-6.40%）。 本周数据更新：本周动力煤价格加速下跌。其中，秦皇岛港 5500 大卡动力煤 （中国北方，平仓价）周环比下跌 24 元/吨；防城港 5500 大卡动力煤（印度 尼西亚 ...

Core Insights - The CSI 500 Quality Growth Index has shown a positive performance, with notable increases in stocks such as Jerry Holdings (10.00%) and Giant Star Technology (5.77) [1] - The Federal Reserve's interest rate decisions and the Central Economic Work Conference's directives are key variables affecting the market in December [1] - Artificial intelligence is identified as a crucial factor for China's economic development, presenting investment opportunities in infrastructure, AI applications, and edge devices [1] Group 1: Index Performance - As of December 3, 2025, the CSI 500 Quality Growth Index increased by 0.43%, with the CSI 500 Quality Growth ETF rising by 0.52% [1] - The top ten weighted stocks in the CSI 500 Quality Growth Index account for 21.53% of the index [2] Group 2: Key Stocks - The top ten stocks by weight include Huagong Technology (3.37%), Kaiying Network (2.96%), and Dongwu Securities (2.46%) [3] - Jerry Holdings and Jinchengxin have shown significant increases in their stock prices, contributing to the overall index performance [1][3] Group 3: Investment Focus - The focus for investment should be on sectors such as traditional manufacturing and resource industries, as well as companies expanding overseas [1] - The CSI 500 Quality Growth ETF selects 100 companies with strong profitability, sustainable earnings, and robust cash flow from the CSI 500 Index [1]

Core Viewpoint - The power sector experienced significant stock price increases, with several companies reaching their daily limit up [1]. Group 1 - Companies such as Huitian Thermal Power, Zhongmin Energy, and Mindong Electric Power hit the daily limit up [1] - Other companies including Hengsheng Energy, Shenzhen Nanshan Electric Power, and Jingneng Power also saw their stock prices rise [1]

Core Points - Beijing Jingneng Power Co., Ltd. has announced a change in its signing registered accountants for the 2025 annual audit [1][2] - The company has appointed Li Yang and Gu Weitao as the new signing registered accountants due to the previous accountants' work changes [1][2] Group 1: Change of Signing Accountants - The company held meetings on April 24 and June 20, 2025, to approve the appointment of Crowe Horwath as the auditing firm for the 2025 fiscal year [1] - The original signing accountants, Dong Yangyang and Wang Shuai, will no longer serve due to their work changes [1] Group 2: Background of New Accountants - Li Yang, a project partner, has been a registered accountant since 2004 and has been with Crowe Horwath since 2018, signing two audit reports for listed companies in the past three years [2] - Gu Weitao became a registered accountant in 2008 and started working with Crowe Horwath in 2024, with no audit reports signed in the last three years [2] - Both accountants have not faced any criminal penalties or administrative sanctions in the past three years and comply with the independence requirements of the Code of Ethics for Chinese Certified Public Accountants [2]

Core Points - 京能电力 announced the appointment of new auditors for the 2025 annual audit due to the departure of the previous auditors [1] Group 1 - 京能电力 appointed Deloitte Touche Tohmatsu Certified Public Accountants LLP as the auditing firm for the 2025 fiscal year [1] - The original signing auditors, Dong Yangyang and Wang Shuai, will no longer serve due to job changes [1] - New signing auditors, Li Yang and Gu Weitao, have been appointed to continue the auditing work for the 2025 annual audit [1]

Core Insights - The electricity sector experienced a slight increase of 0.03% on the trading day, with Min Dong Power leading the gains [1] - The Shanghai Composite Index closed at 3897.71, down 0.42%, while the Shenzhen Component Index closed at 13056.7, down 0.68% [1] Stock Performance - Min Dong Power (000993) closed at 12.67, up 3.68% with a trading volume of 442,700 shares and a transaction value of 556 million [1] - Other notable gainers included ST Lingda (300125) with a 3.43% increase, and Zhongmin Energy (600163) with a 3.04% increase [1] - Conversely, Tianfu Energy (600509) saw a decline of 3.78%, and Shanghai Electric (600021) fell by 3.56% [2] Capital Flow - The electricity sector saw a net outflow of 757 million from institutional investors, while retail investors contributed a net inflow of 842 million [2] - The capital flow data indicates that retail investors were more active in the market compared to institutional investors [2] Individual Stock Capital Flow - Huadian New Energy (600930) had a net inflow of 193 million from institutional investors, while it experienced a net outflow of 12 million from speculative funds [3] - Jiangsu Guoxin (002608) reported a net inflow of 13 million from institutional investors, but a net outflow of 4 million from speculative funds [3] - Overall, the data suggests a mixed sentiment among different types of investors within the electricity sector [3]

证券代码:600578 证券简称:京能电力 公告编号:2025-46 北京京能电力股份有限公司 关于变更签字注册会计师的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带责任。 北京京能电力股份有限公司（以下简称"公司"）分别于 2025 年 4月24日和2025年 6月20日召开了第八届董事会第八次会议及 2024 年年度股东大会，审议通过了《关于续聘致同会计师事务所（特殊普 通合伙）为公司 2025 年度审计机构的议案》，同意聘任致同会计师事 务所（特殊普通合伙）（以下简称"致同"）为公司 2025 年度审计机 构，为公司提供 2025 年度审计及其他鉴证服务。具体内容详见公司 于 2025 年 4 月 26 日在上海证券交易所官方网站（www.sse.com.cn） 及指定媒体上披露的《关于续聘年审会计师事务所的公告》（公告编 号：2025-023）。 近日，公司收到致同《致同会计师事务所（特殊普通合伙）关于 变更 2025 年度审计签字注册会计师的告知函》，现就相关情况公告如 下： 一、签字会计师变更情况 1、李杨女 ...