21世纪经济报道·2025-10-10 04:21Market Overview - On October 10, the three major indices opened lower, with the Shanghai Composite Index down 0.51%, Shenzhen Component Index down 1.85%, and ChiNext Index down 3.4% [1] - Over 2300 stocks declined, with a trading volume of 1.66 trillion yuan, a decrease of 634 billion yuan compared to the previous trading day [1][2] Sector Performance Graphene Sector - The graphene sector showed resilience against the market downturn, with stocks like Baotailong and Del Future hitting the daily limit up, while Henghui Security and Feirongda also saw gains [3] - The Ministry of Commerce and the General Administration of Customs announced export controls on lithium batteries and artificial graphite negative materials, which may have contributed to the sector's performance [3] Coal Mining Sector - The coal mining sector experienced an upward trend, with stocks like Dayou Energy hitting the daily limit up, and others like Jinkong Coal and Shanxi Coking Coal also rising [6] - According to Guosheng Securities, domestic coal production has been constrained since July, leading to a likely decrease in production in the second half of the year, which could result in higher coal prices [6] Lithium Battery and Chip Sector - The lithium battery supply chain faced significant declines, with stocks like Tianji Co. hitting the limit down, and others like Xian Dao Intelligent and Yinghe Technology dropping over 10% [8] - The chip sector also saw a downturn, with companies like Huahong Semiconductor and Zhongxin International experiencing declines of over 10% [8][9] Precious Metals - On October 10, spot gold fell below $4000 per ounce, trading at $3972.44 per ounce, while COMEX gold futures were at $3991.8 per ounce [10] - The precious metals sector in A-shares dropped over 3%, with significant declines in stocks like Xiaocheng Technology and Western Gold [10][12] - The decline in precious metals may be influenced by geopolitical factors and profit-taking by investors [12][14]