财联社·2025-10-27 07:18Market Overview - The A-share market experienced a volatile upward trend, with the Shanghai Composite Index rising over 1% and approaching the 4000-point mark, reaching a ten-year high [1] - The total trading volume in the Shanghai and Shenzhen markets was 2.34 trillion yuan, an increase of 365.9 billion yuan compared to the previous trading day [1] Sector Performance - Storage chip concept stocks showed strong performance throughout the day, with companies like Demingli achieving consecutive gains and hitting new highs, while Jiangbolong and Xiangnong Chip Innovation also reached record levels [3] - Computing hardware concept stocks maintained their strength, with Huylv Ecological achieving four gains in six days and reaching a new high, while companies like Xinyisheng and Zhongji Xuchuang also hit historical highs [3] - The nuclear power sector was active, with Dongfang Tantalum achieving two gains in three days, and several stocks, including Antai Technology, hitting the daily limit [3] - Conversely, the wind power sector saw a collective decline, with Haili Wind Power experiencing a significant drop [3] Index Performance - By the end of the trading session, the Shanghai Composite Index rose by 1.18%, the Shenzhen Component Index increased by 1.51%, and the ChiNext Index gained 1.98% [3]