Group 1 - The Shanghai Composite Index opened lower and the CSI 300 Food Index reported 7270.47 points, indicating a recent decline in the food sector [1] - The CSI 300 Food Index has decreased by 2.82% over the past month, 7.95% over the past three months, and 10.52% 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 a comprehensive analysis tool for investors [1] Group 2 - The CSI 300 Food Index is primarily composed of stocks from the Shanghai Stock Exchange, which accounts for 84.47%, while the Shenzhen Stock Exchange accounts for 15.53% [1] - Within the holdings of the CSI 300 Food Index, dairy products represent 61.67%, condiments and cooking oils account for 29.13%, and meat products make up 9.20% [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 Shanghai Composite Index decreased by 0.40%, while the CSI 300 Food and Beverage Index reported at 25115.40 points [1] - The CSI 300 Food and Beverage Index has increased by 2.16% in the past month, 7.78% in the past three months, and 2.99% 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, with a base date of December 31, 2004, and a base point of 1000.0 [2] Group 2 - The top ten weights in the CSI 300 Food and Beverage Index are: Kweichow Moutai (51.86%), Wuliangye (13.12%), Yili (9.68%), Shanxi Fenjiu (5.17%), Luzhou Laojiao (4.78%), Haitian Flavoring (3.64%), Dongpeng Beverage (2.92%), Yanghe (2.1%), Jinshiyuan (1.82%), and Gujing Gongjiu (1.36%) [2] - The market share of the CSI 300 Food and Beverage Index is 76.40% from the Shanghai Stock Exchange and 23.60% from the Shenzhen Stock Exchange [2] Group 3 - The industry composition of the CSI 300 Food and Beverage Index includes: Baijiu (80.20%), Dairy Products (9.68%), Condiments and Edible Oils (4.59%), Soft Drinks (2.92%), Beer (1.31%), and Meat Products (1.30%) [3] - The index sample is adjusted biannually, with adjustments implemented on the next trading day after the second Friday of June and December [3] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 300 Index samples [3]

Group 1 - The core index of the China Securities Index for food, beverage, and tobacco has shown a monthly increase of 3.51% and a quarterly increase of 6.05%, while it has decreased by 1.64% year-to-date [1] - The 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] - The top ten weighted stocks in the index include Yili Group (10.62%), Kweichow Moutai (10.59%), and Wuliangye (9.22%), among others [1] Group 2 - The index's holdings show that the liquor sector accounts for 47.83%, followed by condiments and cooking oil at 12.10%, and dairy products at 12.04% [2] - The index samples are adjusted biannually, with changes implemented on the next trading day after the second Friday of June and December [2] - Adjustments to the index samples occur in response to special events affecting the companies, such as mergers or changes in industry classification [2]

Core Points - The Shanghai and Shenzhen 300 Food and Beverage Index is reported at 24,563.26 points, with a recent one-month increase of 6.60% and a year-to-date increase of 0.73% [1] - The index is composed of 300 sample stocks categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] - The top ten weighted stocks in the index include Kweichow Moutai (51.19%), Wuliangye (13.41%), Yili (9.35%), Shanxi Fenjiu (5.36%), and others [1] Market Composition - The Shanghai Stock Exchange accounts for 75.29% of the holdings in the index, while the Shenzhen Stock Exchange accounts for 24.71% [2] - In terms of industry composition, liquor represents 80.91%, dairy products 9.35%, condiments and cooking oils 4.48%, soft drinks 2.45%, meat products 1.41%, and beer 1.40% [2] Index Adjustment Mechanism - The index samples are adjusted biannually, with adjustments occurring 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 in response to changes in the Shanghai and Shenzhen 300 Index samples [2] - Special events affecting sample companies may lead to adjustments in the industry index samples, including delisting or corporate actions such as mergers and acquisitions [2]