Group 1 - The core index, the CSI Technology Media Communication 150, experienced a decline of 0.36%, closing at 2020.14 points with a trading volume of 1739.25 billion [1] - Over the past month, the CSI Technology Media Communication 150 index has increased by 10.92%, 13.82% over the last three months, and 9.03% year-to-date [1] - The index comprises 150 large-cap, high-growth listed companies from the technology, media, and communication sectors, with a base date of June 30, 2011, set at 1000.0 points [1] Group 2 - The top ten weighted stocks in the CSI Technology Media Communication 150 index include Luxshare Precision (4.06%), SMIC (3.74%), and others, with the total weight of these stocks contributing significantly to the index [1] - The market capitalization distribution shows that 57.27% of the index is from the Shenzhen Stock Exchange, while 42.73% is from the Shanghai Stock Exchange [1] - The industry composition of the index indicates that 82.00% is in information technology and 18.00% in communication services [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, with special circumstances allowing for temporary adjustments [2] - Public funds tracking the CSI Technology Media Communication 150 include the Invesco Great Wall CSI Technology Media Communication 150 ETF and its corresponding fund [2]