Jin Rong Jie·2025-04-30 08:07Group 1 - The core index of the shipping sector, the China Securities Index Shipping Index, closed at 2040.95 points, showing a decline of 3.38% over the past month, 4.74% over the past three months, and 6.18% year-to-date [1] - The index is composed of various industry companies classified 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 companies in the shipping index include COSCO Shipping Holdings (16.61%), China Merchants Energy Shipping (15.28%), COSCO Shipping Energy Transportation (12.87%), and others, indicating a concentration in a few key players [1] Group 2 - The shipping sector accounts for 100.00% of the index sample, highlighting its exclusive focus on this industry [2] - The index sample is adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December, ensuring that the weight factors are updated accordingly [2] - Special events affecting sample companies, such as mergers or delistings, will lead to corresponding adjustments in the index sample, maintaining its relevance and accuracy [2]