Group 1 - The core index, the CSI Industry Competitive Advantage Index, has shown a decline of 14.34% over the past month, 8.57% over the past three months, and 9.19% year-to-date [1] - The index comprises 50 large-cap companies with strong profitability and competitive strength in overseas markets, reflecting the overall performance of companies with significant industry competitive advantages [1] - The top ten weighted companies in the index include Midea Group (9.91%), Zijin Mining (9.84%), CATL (8.67%), Luxshare Precision (5.44%), Mindray (4.86%), Sany Heavy Industry (4.26%), Will Semiconductor (3.82%), Fuyao Glass (3.22%), Sungrow Power (3.06%), and Weichai Power (3.03%) [1] Group 2 - The market capitalization distribution of the index shows that 51.67% of the companies are listed on the Shenzhen Stock Exchange, while 48.33% are on the Shanghai Stock Exchange [1] - The industry composition of the index includes 34.07% in industrials, 22.06% in information technology, 21.89% in consumer discretionary, 13.99% in materials, 7.04% in healthcare, and 0.95% in energy [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2]