SIPG(SH:600018) Jin Rong Jie·2025-03-31 07:25Group 1 - The Shanghai Composite Index decreased by 0.46%, while the CSI 300 Transportation Infrastructure Index reported at 1340.72 points [1] - The CSI 300 Transportation Infrastructure Index fell by 0.91% over the past month, 5.99% over the past three months, and 5.06% year-to-date [2] - The CSI 300 Index categorizes its 300 sample companies into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [2] Group 2 - The CSI 300 Transportation Infrastructure Index has a market composition of 70.35% from the Shanghai Stock Exchange and 29.65% from the Shenzhen Stock Exchange [2] - Within the CSI 300 Transportation Infrastructure Index, the airport sector accounts for 44.49%, highways for 37.77%, and ports for 17.74% [2] - The index samples are adjusted biannually, with adjustments occurring on the next trading day following the second Friday of June and December [3]