Group 1 - The Shanghai Composite Index opened lower and the CSI 300 Construction Engineering Index reported 3545.51 points, with a 2.45% increase over the past month, a 0.96% increase over the past three months, and a 5.80% decrease 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, providing a comprehensive analysis tool for investors [1] Group 2 - The CSI 300 Construction Engineering Index is fully composed of stocks from the Shanghai Stock Exchange, with 56.84% in infrastructure construction, 35.92% in housing construction, and 7.24% in specialized engineering [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December, ensuring that weight factors are updated accordingly [2] - Temporary adjustments to the index samples occur when the CSI 300 Index undergoes changes, and special events affecting a sample company's industry classification will also prompt corresponding adjustments [2]

Group 1 - The Shanghai Composite Index opened high but closed lower, with the CSI 300 Insurance Index reported at 882.84 points [1] - The CSI 300 Insurance Index has increased by 5.29% over the past month, 6.15% over the past three months, and 2.05% 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, with the index base date set at December 31, 2007, and a base point of 1000.0 [1] Group 2 - 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 sample changes in the CSI 300 Index [2] - Special events affecting a sample company's industry classification will lead to corresponding adjustments in the CSI 300 Industry Index [2]

Group 1 - The Shanghai Composite Index opened high and the CSI 300 Media (secondary industry) Index reported 824.90 points [1] - The CSI 300 Media Index has increased by 5.89% in the last month and 5.28% in the last three months, but has decreased by 1.83% 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 over 200 quaternary industries [1] Group 2 - The CSI 300 Media Index is fully composed of stocks from the Shenzhen Stock Exchange [1] - The composition of the CSI 300 Media Index includes 52.79% from Other Advertising and Marketing, 20.53% from Interactive Media, 15.39% from Gaming, and 11.28% from 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 Shanghai Composite Index opened high and the CSI 300 Automotive Parts Index reported 5998.49 points [1] - The CSI 300 Automotive Parts Index increased by 3.11% in the last month, decreased by 7.08% in the last three months, and has declined by 5.42% 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 over 200 quaternary industries [1] Group 2 - The CSI 300 Automotive Parts Index has a market share of 87.70% from the Shanghai Stock Exchange and 12.30% from the Shenzhen Stock Exchange [1] - Within the CSI 300 Automotive Parts Index, the market share is composed of 59.93% from automotive interior and exterior parts, 13.92% from automotive system components, 13.85% from tires, and 12.30% from automotive electronics [1] Group 3 - The index sample is adjusted every six months, specifically on the second Friday of June and December [2] - Weight factors are adjusted in accordance with the sample adjustments, which occur at the same time [2] - Temporary adjustments to the CSI 300 Industry Index samples occur when there are changes in the CSI 300 Index samples due to special events or company status changes [2]

Group 1 - The Shanghai Composite Index opened high and fluctuated, with the CSI 300 Automotive Parts Index reported at 5988.46 points [1] - The CSI 300 Automotive Parts Index has increased by 2.28% in the past month, decreased by 9.52% in the past three months, and has declined by 5.58% 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, providing analytical tools for investors [1] Group 2 - The CSI 300 Automotive Parts Index has a market share distribution of 87.87% from the Shanghai Stock Exchange and 12.13% from the Shenzhen Stock Exchange [1] - Within the CSI 300 Automotive Parts Index, the industry composition includes 60.02% for automotive interior and exterior parts, 13.98% for automotive system components, 13.87% for tires, and 12.13% for automotive electronics [1] 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 [2] - Weight factors are adjusted along with the sample changes, remaining 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 or undergo mergers, acquisitions, or splits will be handled according to maintenance guidelines [2]

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 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 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]

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]