港股科网股，集体大跌

Market Overview - The Hong Kong stock market experienced a significant decline on March 23, with the Hang Seng Index dropping by 3.46% to 24,402.32, and the Hang Seng Tech Index falling by 3.10% to 4,721.20 [1][2]. Sector Performance - The biotechnology sector also faced a downturn, with the Hang Seng Biotechnology Index decreasing by 4.40% to 13,423.24 [2]. - The Hang Seng China Enterprises Index fell by 3.05% to 8,312.85, while the Hang Seng Composite Index declined by 3.47% to 3,676.46 [2]. Technology Stocks - Major tech stocks saw widespread losses, with Bilibili and SenseTime both down by 6%, Baidu and NIO dropping over 5%, and JD.com falling more than 4% [2]. - Other notable declines included Xiaomi and NetEase, both down over 3% [2]. Semiconductor Sector - The semiconductor sector led the declines, with notable drops including Lattice Semiconductor down 8%, and companies like GigaDevice and Hua Hong Semiconductor falling over 6% [3][4]. Gold Stocks - Gold stocks collectively plummeted, with Chifeng Jilong Gold down nearly 25%, and Lingbao Gold falling over 14% [5][6]. - Other gold companies such as Laopu Gold and Datang Gold also experienced declines exceeding 10% [5].