Group 1 - The Shanghai Composite Index opened high and fluctuated, with the CSI 300 Automotive and Parts Index reported at 10,259.58 points [1] - The CSI 300 Automotive and Parts Index has increased by 1.85% in the past month, decreased by 3.70% in the past three months, and increased by 4.84% year-to-date [1] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The top ten weights in the CSI 300 Automotive and Parts Index are: BYD (38.8%), Seres (12.98%), Fuyao Glass (10.8%), SAIC Motor (8.68%), Changan Automobile (7.05%), Top Group (3.81%), Sailun Tire (3.78%), Desay SV (3.3%), Huayu Automotive (3.27%), and Great Wall Motors (3.25%) [1] - The market segments of the CSI 300 Automotive and Parts Index are composed of 50.84% from the Shanghai Stock Exchange and 49.16% from the Shenzhen Stock Exchange [2] - The industry composition of the CSI 300 Automotive and Parts Index includes 72.76% from passenger cars, 16.35% from automotive interior and exterior parts, 3.81% from automotive system components, 3.78% from tires, and 3.30% from automotive electronics [2] Group 3 - The index sample is adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made when the CSI 300 Index samples are modified [2] - Special events affecting sample companies may lead to adjustments in the CSI 300 industry index samples, including delisting, mergers, acquisitions, and spin-offs [2]

Group 1 - The Shanghai Composite Index opened high and the CSI 300 Pharmaceutical and Biotechnology Index reported 7624.71 points [1] - The CSI 300 Pharmaceutical and Biotechnology Index has increased by 4.46% in the past month, 3.56% in the past three months, and 2.43% year-to-date [1] - The index is designed to reflect the overall performance of different industry companies within the CSI 300 Index, categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The top ten holdings of the CSI 300 Pharmaceutical and Biotechnology Index are: Heng Rui Medicine (25.5%), WuXi AppTec (15.98%), Pian Zai Huang (6.77%), Yunnan Baiyao (5.51%), Kelun Pharmaceutical (4.73%), New Horizon (3.69%), East China Pharmaceutical (3.68%), Shanghai Raist (3.39%), Changchun High-tech (3.33%), and Fosun Pharma (3.23%) [1] - The market segment of the CSI 300 Pharmaceutical and Biotechnology Index shows that the Shanghai Stock Exchange accounts for 63.75% and the Shenzhen Stock Exchange accounts for 36.25% [2] - In terms of industry composition, chemical drugs account for 43.27%, pharmaceutical and biotechnology services for 21.11%, traditional Chinese medicine for 19.35%, and biological drugs for 16.27% [2] Group 3 - The index samples are adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December each year [2] - Weight factors are adjusted along with the periodic sample adjustments, which are fixed until the next scheduled adjustment unless a temporary adjustment is required [2] - Special events affecting sample companies may lead to changes in industry classification, and companies that are delisted will be removed from the index [2]

Group 1 - The Shanghai Composite Index opened high and the CSI 300 Media (secondary industry) Index reported 796.37 points [1] - The CSI 300 Media Index has decreased by 3.43% in the past month, 1.21% in the past three months, and 5.22% year-to-date [1] - The CSI 300 Index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The CSI 300 Media Index is entirely composed of stocks from the Shenzhen Stock Exchange, with a 100% allocation [1] - Within the CSI 300 Media Index, the industry composition includes 51.67% in Other Advertising and Marketing, 19.52% in Interactive Media, 16.74% in Gaming, and 12.07% in Video Media [1] - The index sample is adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2]

Group 1 - The A-share market's three major indices closed mixed, with the CSI 300 Utilities (secondary industry) index at 2610.44 points [1] - The CSI 300 Utilities index has increased by 3.88% over the past month, 2.74% over the past three months, and has decreased by 3.55% year-to-date [1] - The CSI 300 index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The top ten weights in the CSI 300 Utilities index are: Changjiang Electric Power (48.15%), China Nuclear Power (10.39%), Three Gorges Energy (8.2%), Guodian Power (5.46%), State Power Investment (4.72%), Chuanwei Energy (4.36%), Huaneng International (4.2%), China General Nuclear Power (3.8%), Zhejiang Energy (3.06%), and Huadian International (2.62%) [1] - The market share of the CSI 300 Utilities index is 95.84% from the Shanghai Stock Exchange and 4.16% from the Shenzhen Stock Exchange [2] - The industry composition of the CSI 300 Utilities index includes hydropower (59.47%), thermal power (15.34%), nuclear power (14.19%), wind power (8.56%), and gas (2.43%) [2] Group 3 - The index sample is adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made when the CSI 300 index samples are modified [2] - Special events affecting sample companies may lead to changes in industry classification, and companies that are delisted will be removed from the index sample [2]

Group 1 - The A-share market's three major indices closed mixed, with the CSI 300 Aerospace and Defense Index at 9125.20 points [1] - The CSI 300 Aerospace and Defense Index has decreased by 5.87% over the past month, 4.26% over the past three months, and 11.48% year-to-date [2] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, providing a comprehensive analysis tool for investors [2] Group 2 - The CSI 300 Aerospace and Defense Index is composed entirely of the aviation sector, with a sample adjustment occurring biannually [3] - The index's sample is adjusted on the second Friday of June and December, with weight factors fixed until the next scheduled adjustment [3] - In cases of special events affecting a sample company's industry classification, the CSI 300 industry index samples will be adjusted accordingly [3]

Group 1 - The A-share market's three major indices closed mixed, with the CSI 300 Automotive Parts Index at 5702.55 points [1] - The CSI 300 Automotive Parts Index has decreased by 9.20% over the past month, 11.05% over the past three months, and 10.08% year-to-date [1] - The CSI 300 Index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The CSI 300 Automotive Parts Index has a market share distribution of 87.76% from the Shanghai Stock Exchange and 12.24% from the Shenzhen Stock Exchange [1] - Within the CSI 300 Automotive Parts Index, the industry composition includes 59.13% for automotive interior and exterior parts, 14.65% for automotive system components, 13.98% for tires, and 12.24% for automotive electronics [1]

金融界4月22日消息，A股三大指数收盘涨跌不一，沪深300媒体(二级行业)指数 (300媒体，L11509)报 815.80点。 数据统计显示，沪深300媒体(二级行业)指数近一个月下跌0.57%，近三个月上涨3.07%，年至今下跌 2.91%。 从沪深300媒体(二级行业)指数持仓的市场板块来看，深圳证券交易所占比100.00%。 资料显示，指数样本每半年调整一次，样本调整实施时间分别为每年6月和12月的第二个星期五的下一 交易日。权重因子随样本定期调整而调整，调整时间与指数样本定期调整实施时间相同。在下一个定期 调整日前，权重因子一般固定不变。遇临时调整时，当沪深300指数调整样本时，沪深300行业指数样本 随之进行相应调整。在样本公司有特殊事件发生，导致其行业归属发生变更时，将对沪深300行业指数 样本进行相应调整。当样本退市时，将其从指数样本中剔除。样本公司发生收购、合并、分拆等情形的 处理，参照计算与维护细则处理。 从沪深300媒体(二级行业)指数持仓样本的行业来看，其他广告营销占比50.02%、互动媒体占比 18.52%、游戏占比16.79%、视频媒体占比14.67%。 据了解，为反映沪深300指 ...

Group 1 - The Shanghai Composite Index opened lower but rose later, with the CSI 300 Aerospace and Defense Index reported at 9250.77 points [1] - The CSI 300 Aerospace and Defense Index has decreased by 5.27% in the past month, 5.06% in the past three months, and 10.26% year-to-date [1] - The CSI 300 Index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries for analytical purposes [1] Group 2 - The CSI 300 Aerospace and Defense Index has a market share distribution of 58.24% from the Shanghai Stock Exchange and 41.76% from the Shenzhen Stock Exchange [1] - The index's holdings are entirely concentrated in the aviation sector, with a 100.00% allocation [1] Group 3 - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2] - Weight factors are generally fixed until the next scheduled adjustment, but can change with temporary adjustments due to special events affecting sample companies [2] - Companies that are delisted or undergo mergers, acquisitions, or splits will be handled according to specific calculation and maintenance guidelines [2]

Group 1 - The A-share market indices closed mixed, with the Shanghai-Shenzhen 300 Building Materials Index reported at 6823.44 points [1] - The Shanghai-Shenzhen 300 Building Materials Index has increased by 0.28% over the past month, 2.89% over the past three months, and 6.48% year-to-date [1] - The index is designed to reflect the overall performance of different industry companies within the Shanghai-Shenzhen 300 Index, categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The Shanghai-Shenzhen 300 Building Materials Index holdings are entirely composed of stocks from the Shanghai Stock Exchange, with a 100% allocation [2] - The index's sample is exclusively focused on the cement and concrete sector, which also accounts for 100% of the holdings [3] - The index samples are adjusted biannually, with adjustments occurring on the next trading day following the second Friday of June and December each year [3]

金融界4月17日消息，A股三大指数收盘涨跌不一，沪深300汽车与零部件指数 (300汽车，L11506)报 9866.18点。 从指数持仓来看，沪深300汽车与零部件指数十大权重分别为：比亚迪（38.15%）、赛力斯 （13.29%）、福耀玻璃（10.52%）、上汽集团（8.72%）、长安汽车（7.41%）、赛轮轮胎（3.94%）、 拓普集团（3.78%）、长城汽车（3.48%）、德赛西威（3.3%）、华域汽车（3.15%）。 数据统计显示，沪深300汽车与零部件指数近一个月下跌6.82%，近三个月上涨5.13%，年至今上涨 0.82%。 据了解，为反映沪深300指数样本中不同行业公司证券的整体表现，为投资者提供分析工具，将沪深300 指数300只样本按行业分类标准分为11个一级行业、35个二级行业、90余个三级行业及200余个四级行 业。沪深300行业指数系列分别以进入各一级、二级、三级、四级行业的全部证券作为样本编制指数， 形成沪深300行业指数。该指数以2004年12月31日为基日，以1000.0点为基点。 从沪深300汽车与零部件指数持仓样本的行业来看，乘用车占比73.22%、汽车内饰与外饰占比15. ...