【环球网财经综合报道】11月28日，中证指数有限公司公布沪深300、中证500、中证1000、中证A50、中证A100、中证 A500等指数的样本定期调整方案。本次调整为指数样本的例行调整，将于12月12日收市后正式生效。 此次调整进一步提升了指数的科创与创新属性。调整后，沪深300、中证500、中证1000指数中科创板及创业板样本合计数 量分别增加3只、6只、9只，合计权重分别达到21.26%、28.07%、36.16%。此外，中证A50指数更换4只样本，中际旭创、 华工科技、光启技术、胜宏科技调入，中兴通讯、三环集团、上海机场、华鲁恒升调出；中证A100指数更换6只样本，东 方财富、光启技术、中科曙光等调入，上海机场、紫光国微、中信证券等调出；中证A500指数更换20只样本，中天科技、 创世纪、博瑞医药、国泰海通、芯原股份等获调入。 根据方案，沪深300指数此次更换11只样本，国联民生、光启技术、宁波港、华电新能、东山精密、中天科技、指南针、光 线传媒等获调入，一汽解放、欧派家居、福莱特、龙源电力、天合光能等被调出。调整完成后，沪深300指数中信息技术、 通信服务行业样本数量分别增加4只、2只，权重分别上 ...

Core Insights - The China Securities Index Co., Ltd. announced adjustments to several indices, including the CSI 300, CSI 500, CSI 1000, CSI A50, CSI A100, and CSI A500, effective after market close on December 12 [1] Group 1: Index Adjustments - The CSI 300 index will replace 11 constituents, including Huadian New Energy and Dongshan Precision [1] - The CSI 500 index will replace 50 constituents, with Heertai and Huahong Semiconductor among the new additions [1] - The CSI 1000 index will replace 100 constituents, including Shijia Optoelectronics and Yongding Co. [1] - The CSI A50 index will replace 4 constituents, with Zhongji Xuchuang and Huagong Technology being added [1] - The CSI A100 index will replace 6 constituents, including Dongfang Fortune and Zhongke Shuguang [1] - The CSI A500 index will replace 20 constituents, with Guotai Haitong and Chipone Technology among the new additions [1] Group 2: Industry Representation - Post-adjustment, the number and weight of samples in the information technology, communication services, and industrial sectors have generally increased across the indices [1] - The CSI A series indices show a more balanced industry allocation compared to traditional broad-based indices, enhancing the quality of new productive forces [1] - In the CSI 300 index, the number of samples in information technology and communication services increased by 4 and 2, respectively, with weight increases of 1.46% and 0.75% [2] - In the CSI 500 index, the industrial sector saw an increase of 11 samples and a weight increase of 2.48% [2] - The CSI 1000 index experienced increases of 6 samples in communication services and 2 in industrial, with weight increases of 0.44% and 0.37% respectively [2] Group 3: Market Coverage and Financial Performance - The total market capitalization coverage rates for the CSI 300, CSI 500, and CSI 1000 indices are 51.92%, 14.83%, and 13.22%, respectively [3] - The total market capitalization coverage rates for the CSI A50, CSI A100, and CSI A500 indices are 15.31%, 26.37%, and 52.58%, respectively [3] - For the third quarter of 2025, the operating income of the CSI 300, CSI 500, and CSI 1000 indices accounted for 59.68%, 15.13%, and 11.83% of the A-share market, while net profits accounted for 81.81%, 9.70%, and 6.12% respectively [3] - The operating income for the CSI A50, CSI A100, and CSI A500 indices accounted for 18.26%, 32.50%, and 61.82% of the A-share market, with net profits accounting for 19.75%, 33.02%, and 68.16% respectively [3]

中证500指数更换50只样本，东方雨虹、和而泰、华虹公司、盐田港、大族数控、欧派家居、中策橡胶、苏泊尔等调入指数，调出名单包括中国长城、森 马服饰、中文传媒、王府井等。 中证指数有限公司11月28日公布沪深300、中证500、中证1000、中证A50、中证A100、中证A500等指数样本定期调整方案。此次调整为指数样本的定期 调整，将于12月12日收市后正式生效。 具体来看： 沪深300指数更换11只样本，国联民生、光启技术、宁波港、华电新能、东山精密、中天科技、指南针、光线传媒等调入指数，调出名单包括一汽解放、 欧派家居、福莱特、龙源电力、天合光能等。 | 调出名单 | | 调入名单 | | | --- | --- | --- | --- | | 证券代码 | 证券名称 | 证券代码 | 证券名称 | | 000800 | 一汽解放 | 002384 | 东山精密 | | 001289 | 龙源电力 | 002625 | 光启技术 | | 002129 | TCL 中环 | 300251 | 光线传媒 | | 002180 | 纳恩达 | 300476 | 胜宏科技 | | 600332 | 自云山 | 3 ...

Core Viewpoint - The regular adjustment of index samples for various indices including CSI 300, CSI 500, CSI 1000, CSI A50, CSI A100, and CSI A500 will take effect after the market closes on December 12, as announced by China Securities Index Co., Ltd. on November 28 [1]. Group 1: CSI 300 Index Adjustments - The CSI 300 index will replace 11 samples, with new additions including Guolian Minsheng, Guangqi Technology, Ningbo Port, Huadian New Energy, Dongshan Precision, Zhongtian Technology, Zhinanceng, and Light Media. The removed samples include FAW Liberation, Oppein Home, Flat Glass, Longyuan Power, and Trina Solar [2][3]. - The number of samples in the information technology and communication services sectors will increase by 4 and 2 respectively, with weightings rising by 1.46% and 0.75% [5]. Group 2: CSI 500 Index Adjustments - The CSI 500 index will replace 50 samples, with new additions such as Dongfang Yuhong, Heertai, Huahong Company, Yantian Port, Dazhu CNC, Oppein Home, Zhongce Rubber, and Supor. Removed samples include China Great Wall, Semir Apparel, Zhongwen Media, and Wangfujing [5]. - The industrial sector will see an increase of 11 samples, with a weighting rise of 2.48% [6]. Group 3: CSI 1000 Index Adjustments - The CSI 1000 index will replace 100 samples, with new additions including Fenghua Hi-Tech, Shijia Photon, Guoji Precision, Yongding Co., Fuling Pickled Cabbage, Galaxy Magnet, and Hanyu Pharmaceutical [6]. - The number of samples in the communication services and industrial sectors will increase by 6 and 2 respectively, with weightings rising by 0.44% and 0.37% [6]. Group 4: Other Indices Adjustments - The CSI A50 index will replace 4 samples, with new additions including Zhongji Xuchuang, Huagong Technology, Guangqi Technology, and Shenghong Technology, while removing ZTE, Sanhuan Group, Shanghai Airport, and Hualu Hengsheng [7]. - The CSI A100 index will replace 6 samples, with new additions such as Dongfang Fortune, Guangqi Technology, and Zhongke Shuguang, while removing Shanghai Airport, Unisplendour, and CITIC Securities [8]. - The CSI A500 index will replace 20 samples, with new additions including Zhongtian Technology, Genesis, Borui Pharmaceutical, Guotai Haitong, and Chip Origin [9].

Company Overview - Zhongfutong (SZ 300560) announced its fifth board meeting on November 28, 2025, to discuss the reappointment of the auditing firm for the fiscal year 2025 [1] - As of the report, Zhongfutong has a market capitalization of 4.3 billion yuan [1] Revenue Composition - For the first half of 2025, Zhongfutong's revenue composition is as follows: - Communication network maintenance services accounted for 75.82% - Software development contributed 8.04% - Technical services made up 4.72% - System integration represented 3.37% - Edge computing-related products comprised 2.93% [1]

日前，中证指数有限公司宣布将调整沪深300、中证500、中证1000等指数样本，此次调整为指数样本的 定期调整，将于12月12日收市后正式生效。本次样本调整后，信息技术、通信服务与工业等行业样本数 量及权重普遍上升，A系列指数较传统宽基指数行业配比更加均衡，新质生产力含量进一步提升，有助 于指数发挥服务国家战略、引导资源配置的作用。其中沪深300指数更换11只样本，华电新能、东山精 密等调入指数。 ...

Market Overview - On November 28, the communication services sector rose by 0.78%, with Putian Technology leading the gains [1] - The Shanghai Composite Index closed at 3888.6, up 0.34%, while the Shenzhen Component Index closed at 12984.08, up 0.85% [1] Stock Performance - Putian Technology (002544) closed at 28.05, with a significant increase of 10.00% and a trading volume of 274,300 shares, amounting to a transaction value of 753 million [1] - Other notable performers included Zhongjia Bochuang (000889) with a 3.15% increase, and ST Xintong (600289) with a 3.07% increase [1] Capital Flow - The communication services sector saw a net inflow of 44.87 million from institutional investors, while retail investors experienced a net outflow of 45.68 million [2] - The overall net inflow from retail investors was 810,300 [2] Individual Stock Capital Flow - Putian Technology had a net inflow of 234 million from institutional investors, representing 31.10% of its total trading volume, while it faced a net outflow of 133.4 million from retail investors [3] - Zhongfu Tong (300560) reported a net inflow of 74.14 million from institutional investors, with a net outflow of 11.7 million from retail investors [3]

Core Viewpoint - The article outlines various consumer complaint channels available in China, emphasizing the importance of selecting the appropriate channel to effectively address issues with businesses [1]. Group 1: Official Complaint Channels - The national 12315 platform is highlighted as a key official complaint channel, offering a structured process for consumers to submit complaints, which are then forwarded to local market supervision departments [2]. - The 12345 government service hotline provides a unified access point for consumers to report issues, streamlining the complaint process across various departments [2]. Group 2: Industry-Specific Channels - Industry regulatory bodies, such as the China Banking and Insurance Regulatory Commission (CBIRC) and the Ministry of Industry and Information Technology (MIIT), offer specialized complaint channels that provide more efficient and knowledgeable handling of sector-specific issues [3]. - For example, the CBIRC's 12378 hotline is dedicated to financial consumer disputes, while the MIIT's 12381 center addresses telecommunications service complaints [3]. Group 3: Third-Party Social Supervision Platforms - Third-party platforms like Black Cat Complaints have gained popularity for their convenience and transparency, allowing users to submit complaints quickly and track their progress in real-time [4]. - These platforms also publish monthly "red and black lists" of companies based on complaint volume and resolution rates, creating public pressure for businesses to address consumer concerns [4]. Group 4: Choosing the Right Complaint Channel by Industry - For e-commerce issues, consumers are advised to use third-party platforms like Black Cat Complaints in conjunction with the 12315 platform for dual protection [5]. - In the financial services sector, the CBIRC's 12378 hotline is recommended as the most authoritative channel for resolving disputes [5]. - The MIIT's 12381 channel is deemed the most effective for telecommunications complaints, while Black Cat Complaints is also suggested for automotive issues [6]. Group 5: Improving Complaint Handling Efficiency - Consumers are encouraged to prepare comprehensive evidence, including contracts and communication records, to expedite the complaint process [7]. - Clear and specific problem descriptions are essential for effective communication with complaint channels [8]. - Selecting the most appropriate complaint platform based on industry characteristics can significantly enhance resolution efficiency [9]. - Maintaining a rational and objective communication style is crucial for facilitating problem resolution [10]. Group 6: Summary - The article concludes that the variety of consumer complaint channels in China creates a multi-layered and comprehensive system for consumer rights protection, with platforms like Black Cat Complaints offering unique advantages in terms of ease of use and responsiveness [11].

格隆汇11月28日丨华星创业(300025.SZ)在互动平台表示，公司暂未布局算力相关业务。 ...

华星创业（300025.SZ）11月28日在投资者互动平台表示，公司目前暂未涉及边缘计算机业务。 （文章来源：每日经济新闻） 每经AI快讯，有投资者在投资者互动平台提问：公司在边缘计算业务方面主要有哪些布局？目前取得 哪些实效？ ...