港股收评：恒指跌0.29%录得4连跌，铜矿股全天强势，半导体股午后突发跳水

Market Overview - The Hong Kong stock market experienced fluctuations in the afternoon, with the Hang Seng Index closing down by 0.29%, while the Hang Seng China Enterprises Index saw a slight increase of 0.07%. The Hang Seng Tech Index fell by 0.66%, marking a four-day decline for both the Hang Seng and Hang Seng Tech indices [1] Sector Performance - Large technology stocks showed mixed results, with Kuaishou rising by 3.56%. NetEase, Tencent, and JD.com managed to stay slightly positive, while Alibaba fell by 2.4%, Baidu dropped over 1%, and Xiaomi decreased by 0.9% [1] - Copper prices surged due to supply shortages and a computing power revolution, leading to strong performance in copper mining stocks. China Daye Non-Ferrous Metals soared over 21%, with China Gold International, Jiangxi Copper, and China Nonferrous Mining also experiencing significant gains [1] - The domestic offshore wind market saw a peak in bidding in September, resulting in increased gains for wind power stocks. Other active sectors included high-speed rail infrastructure, aviation, coal, building materials, electricity, gas, and paper industries [1] Declining Sectors - Semiconductor stocks faced a notable decline in the afternoon, with leading company SMIC dropping nearly 7%. Other companies such as Hua Hong Semiconductor, Hongguang Semiconductor, and Shanghai Fudan also experienced declines [1] - The biopharmaceutical sector remained sluggish throughout the day, particularly in the innovative drug concept area, which saw significant losses. Cryptocurrency-related stocks, film and television stocks, Apple-related stocks, and military stocks were generally weak [1]