Jin Rong Jie·2025-07-11 07:37Core Points - The Shanghai Composite Index opened high and fluctuated, with the CSI 300 Transportation Index reported at 3840.29 points [1] - The CSI 300 Transportation Index has decreased by 0.50% over the past month, increased by 3.23% over the past three months, and has declined by 1.05% year-to-date [2] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries, with a base date of December 31, 2004, set at 1000.0 points [2] Industry Composition - The top ten weights in the CSI 300 Transportation Index are: Beijing-Shanghai High-Speed Railway (26.22%), SF Holding (17.99%), COSCO Shipping Holdings (14.88%), Datong Railway (12.52%), China Eastern Airlines (5.08%), China Southern Airlines (4.84%), Air China (4.36%), Spring Airlines (4.17%), YTO Express (3.73%), and China Merchants Energy Shipping (3.07%) [2] - The market segments of the CSI 300 Transportation Index show that the Shanghai Stock Exchange accounts for 81.09%, while the Shenzhen Stock Exchange accounts for 18.91% [2] Sector Breakdown - The industry composition of the CSI 300 Transportation Index includes: railway transportation (38.74%), express delivery (21.72%), shipping (20.16%), and air transportation (19.38%) [3] - The index sample is adjusted biannually, with adjustments implemented on the next trading day following the second Friday of June and December each year [3] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made in response to changes in the CSI 300 Index samples [3]