Ge Long Hui·2025-10-14 04:26Market Overview - The A-share market showed mixed performance with the Shanghai Composite Index up by 0.21% at 3897.56 points, while the Shenzhen Component Index fell by 1.02% and the ChiNext Index dropped by 2.24%. The North China 50 Index increased by 0.65% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 168.15 billion yuan, an increase of 90.8 billion yuan compared to the previous day, with over 2800 stocks declining [1] Sector Performance - The cultivated diamond sector saw significant gains, with Chujiang New Materials (002171) hitting the daily limit, and Huifeng Diamond and Power Diamond both rising by 10%. This surge followed the Ministry of Commerce's announcement of export controls on superhard materials [3] - The coal mining and processing sector strengthened, with Baotailong (601011) and Dayou Energy (600403) reaching the daily limit, while Zhengzhou Coal Electricity (600121) and Lu'an Environmental Energy (601699) increased by over 6%. The National Development and Reform Commission supports low-carbon transformations in coal power and coal chemical industries [3] - The photovoltaic equipment sector was active, with Aina Energy rising over 12% and Yijing Photovoltaic (600537) hitting the daily limit [3] - The liquor sector experienced a broad increase, with Shede Liquor (600702) and Jiu Gui Liquor (000799) rising about 7%, and Kweichow Moutai (600519) increasing by over 2%. Notably, investor Duan Yongping announced an increase in his holdings of Moutai [3] - Gold and silver prices reached historical highs, with Silver Nonferrous (601212) rising nearly 8% and Western Gold (601069) increasing by nearly 6% [3] Declining Sectors - The photolithography and semiconductor sectors experienced declines, with Wavelength Optoelectronics and Chip Source both dropping over 10%, and Huahong Semiconductor and Jiangfeng Electronics (300666) falling over 8% [3] - The energy metals sector faced significant losses, with Tengyuan Cobalt falling nearly 8% and Yuanhang Precision and Hanrui Cobalt (300618) dropping over 5% [3]