Core Points - The Shanghai Stock Exchange Sci-Tech Innovation Board New Materials Index increased by 1.52%, reaching 891.34 points with a trading volume of 9.69 billion yuan [1] - The index has risen by 6.62% in the past month, 2.64% in the past three months, and 12.76% year-to-date [1] - The index comprises 50 large-cap companies from advanced steel, advanced non-ferrous metals, advanced chemicals, and other key strategic materials [1] Index Composition - The top ten weighted companies in the index are: Hu Silicon Industry (9.73%), Western Superconducting (7.95%), Anji Technology (5.9%), Kaisa Biotechnology (5.88%), Tiannai Technology (4.67%), Rongbai Technology (3.9%), Tianyue Advanced (3.45%), Xiamen Tungsten New Energy (3.36%), Guanggang Gas (2.75%), and Aviation Materials (2.61%) [1] - The index is fully composed of companies listed on the Shanghai Stock Exchange [1] Industry Breakdown - The industry composition of the index shows that Information Technology accounts for 40.12%, Industry for 29.91%, Materials for 27.57%, and Healthcare for 2.39% [2] - The index samples are adjusted quarterly, with adjustments occurring in the second Friday of March, June, September, and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2]