2 1 Shi Ji Jing Ji Bao Dao·2025-10-17 11:53Index Performance - The CSI A500 Index decreased by 3.31% this week, closing at 5392.97 points on October 17 [5] - The average daily trading volume for the week was 8521.04 billion yuan, reflecting a 22.20% decrease compared to the previous week [5] Top Performers - The top ten gainers in the CSI A500 index included: 1. Shanghai Pudong Development Bank (600000.SH) with a gain of 12.50% 2. Agricultural Bank of China (601288.SH) with a gain of 11.57% 3. Huatian Technology (002185.SZ) with a gain of 10.02% 4. Shanghai Jahwa United Co., Ltd. (600315.SH) with a gain of 9.42% 5. Hainan Airport (600515.SH) with a gain of 8.96% 6. Shaanxi Coal and Chemical Industry (601225.SH) with a gain of 8.61% 7. Jiangsu Bank (600919.SH) with a gain of 8.60% 8. Tongwei Co., Ltd. (600438.SH) with a gain of 8.31% 9. Air China (601111.SH) with a gain of 7.63% 10. China Pacific Insurance (601319.SH) with a gain of 7.32% [2] Bottom Performers - The top ten losers in the CSI A500 index included: 1. Shengquan Group (605589.SH) with a loss of 18.04% 2. Wentai Technology (600745.SH) with a loss of 17.17% 3. Betta Pharmaceuticals (300558.SZ) with a loss of 16.98% 4. Leo Group (002131.SZ) with a loss of 16.55% 5. Jinlang Technology (300763.SZ) with a loss of 15.40% 6. Tongfu Microelectronics (002156.SZ) with a loss of 14.98% 7. Yake Technology (002409.SZ) with a loss of 14.35% 8. Lens Technology (300433.SZ) with a loss of 14.26% 9. Zhongding Sealing Parts (000887.SZ) with a loss of 13.99% 10. Robot Technology (300757.SZ) with a loss of 13.95% [2] Fund Performance - All 40 CSI A500 ETFs experienced declines, with notable drops in Huatai-PB's CSI A500 Enhanced ETF and Guolian's A500 Enhanced ETF, both falling over 4% [5] - The total scale of the CSI A500 ETFs fell below 200 billion yuan, with Huatai-PB's fund at 249.03 billion yuan, Guotai's at 226.56 billion yuan, and E Fund's at 221.29 billion yuan [5] Market Insights - Pacific Securities research team suggests a balanced allocation towards low-position sectors, particularly banks and insurance with dividend protection attributes, as well as coal and agriculture sectors benefiting from domestic demand recovery [6] - Guohai Securities research team indicates that uncertainties from trade frictions may lead to a rotation in market styles, with a shift from overvalued growth sectors to undervalued sectors [6]