Core Viewpoint - The China Securities Green Ecology Theme Index has shown a slight increase over the past month and three months, while it has experienced a minor decline year-to-date, reflecting the performance of companies involved in clean energy and ecological protection [2] Group 1: Index Performance - The China Securities Green Ecology Theme Index rose by 1.35% in the last month and 6.49% over the past three months, with a year-to-date decline of 0.05% [2] - The index is based on 50 listed companies involved in clean energy, electrification, hydrogen energy, resource efficiency, pollution control, environmental restoration, and ecological protection [2] Group 2: Index Composition - The index was established on December 31, 2015, with a base value of 1000.0 points [2] - The top ten weighted companies in the index are: CATL (15.36%), Yangtze Power (13.28%), Inovance Technology (5.76%), Sungrow Power (5.18%), LONGi Green Energy (4.48%), China National Nuclear Power (3.5%), TBEA (3.14%), Changan Automobile (2.97%), Sanhua Intelligent Control (2.87%), and Three Gorges Energy (2.86%) [2] - The index's holdings are primarily listed on the Shenzhen Stock Exchange (54.71%) and the Shanghai Stock Exchange (45.29%) [2] Group 3: Industry Breakdown - The industry composition of the index shows that industrials account for 58.13%, utilities for 26.22%, materials for 9.11%, consumer discretionary for 5.84%, and information technology for 0.70% [2] - The index samples are adjusted biannually, with adjustments occurring 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 special circumstances allowing for temporary adjustments [3]