Group 1 - The A-share market's three major indices closed mixed, with the Shanghai Small Cap Index down 0.69% at 4495.05 points and a trading volume of 99.392 billion [1] - The Shanghai Small Cap Index has decreased by 6.52% over the past month, increased by 1.38% over the past three months, and has fallen by 2.26% year-to-date [1] - The index categorizes listed companies in the Shanghai market into different sizes based on market capitalization and trading volume, reflecting the overall performance of securities from various scales of companies [1] Group 2 - The top ten weighted stocks in the Shanghai Small Cap Index include Hu'nong Commercial Bank (1.18%), Chifeng Gold (1.11%), Chengdu Bank (1.07%), and others, with the index fully composed of stocks from the Shanghai Stock Exchange [1] - The industry composition of the index shows that industrials account for 23.59%, information technology for 18.17%, and financials for 12.57%, among others [2] - The index sample is adjusted biannually, with changes implemented on the next trading day after the second Friday of June and December, typically not exceeding 10% of the sample [2]

Core Viewpoint - The A-share market showed mixed performance with the Shanghai 50 Index rising by 0.91% to 2658.5 points, while it has experienced a decline of 3.86% over the past month and a year-to-date drop of 1.87% [1] Group 1: Index Performance - The Shanghai 50 Index is composed of 50 representative securities from the Shanghai Stock Exchange, reflecting the performance of major influential companies [1] - The index has a base date of December 31, 2003, with a base point of 1000.0 [1] Group 2: Top Holdings - The top ten weighted stocks in the Shanghai 50 Index include: - Kweichow Moutai (12.56%) - China Ping An (6.89%) - China Merchants Bank (6.69%) - Yangtze Power (4.6%) - Industrial Bank (3.94%) - Zijin Mining (3.73%) - CITIC Securities (3.15%) - Industrial and Commercial Bank of China (3.13%) - Heng Rui Medicine (2.77%) - Yili Group (2.4%) [1] Group 3: Sector Allocation - The sector allocation of the Shanghai 50 Index is as follows: - Financials: 32.66% - Consumer Staples: 17.23% - Industrials: 11.88% - Information Technology: 9.06% - Materials: 5.71% - Utilities: 5.59% - Energy: 4.83% - Health Care: 4.46% - Communication Services: 3.99% - Consumer Discretionary: 3.80% - Real Estate: 0.80% [2] Group 4: 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 [2] - The adjustment allows for a maximum sample change of 10%, with priority given to new samples ranked within the top 40 and existing samples ranked within the top 60 [2] - Special circumstances may lead to temporary adjustments, and new securities can enter the index under specific conditions [2]