Feng Huang Wang Cai Jing·2025-10-20 03:42Market Performance - The market experienced high volatility in the morning session, with the ChiNext Index leading the gains [1] - As of the midday close, the Shanghai Composite Index rose by 0.69%, the Shenzhen Component Index increased by 1.38%, and the ChiNext Index surged by 2.49% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.16 trillion yuan, a decrease of 16.5 billion yuan compared to the previous trading day [1] Index Details - The Shanghai Composite Index closed at 3866.09, with a gain of 0.69% and 1717 gainers against 529 decliners [2] - The Shenzhen Component Index closed at 12863.53, up by 1.38%, with 2367 stocks advancing and 486 declining [2] - The ChiNext Index ended at 3008.56, increasing by 2.49%, with 1202 stocks rising and 179 falling [2] Sector Performance - Key sectors showing strong performance included coal, CPO, and battery industries, while non-ferrous metals experienced declines [3] - Notable stocks in the computing hardware sector, such as the "Yizhongtian" optical module leaders, saw significant gains, with several stocks hitting the daily limit [2] - The robotics sector was active, with stocks like Sanlian Forging and Dayang Electric achieving consecutive gains [2] - The chip industry also showed strength, with Sanfu shares achieving three gains in four days and Ruineng Technology hitting three consecutive limits [2] - The coal sector continued its strong performance, with Dayou Energy achieving six gains in seven days [2] - In contrast, the precious metals sector faced collective declines, with Hunan Silver hitting the daily limit down [2]