Group 1 - The core point of the news is that Rongbai Technology's stock price has decreased by 5.11%, currently trading at 33.59 CNY per share, with a total market capitalization of 24.008 billion CNY [1] - Rongbai Technology, established on September 18, 2014, specializes in the research, production, and sales of lithium battery ternary cathode materials and their precursors, with 96.62% of its revenue coming from cathode materials [1] - The trading volume for Rongbai Technology reached 3.13 billion CNY, with a turnover rate of 12.19% [1] Group 2 - According to data, Bosera Fund has one fund heavily invested in Rongbai Technology, specifically the Bosera SSE STAR Market New Materials ETF (588010), which reduced its holdings by 81,900 shares in the third quarter [2] - The current holding of the fund is 350,700 shares, accounting for 3.86% of the fund's net value, making it the seventh-largest holding [2] - The fund has experienced a year-to-date return of 54.71% and a one-year return of 38.22%, ranking 328 out of 4,212 and 864 out of 3,956 in its category, respectively [2]

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]