FII(SH:601138) Hu Xiu·2025-10-28 15:03Market Performance - The Shanghai Composite Index broke the 4000-point mark, reaching a ten-year high on October 28, with a peak increase of over 1% before retreating [1] - The total trading volume in the Shanghai and Shenzhen markets was 2.15 trillion yuan, a decrease of 192.3 billion yuan compared to the previous trading day [1] - By the end of the trading session, the Shanghai Composite Index fell by 0.22%, the Shenzhen Component Index decreased by 0.44%, and the ChiNext Index dropped by 0.15% [1] Sector Performance - The top-performing sectors included Fujian Free Trade Zone/Haixi concept, PCB boards, and solid-state batteries, with notable increases in their respective stocks [2] - The DRAM (memory) sector showed significant activity, reflecting ongoing trends in semiconductor demand [2] - Other sectors such as quantum computing and robotics also demonstrated growth, indicating a diverse range of investment opportunities [2]