港股大涨，中芯国际、华虹半导体涨超4%，智谱、MiniMax跌超10%

Market Overview - The Hang Seng Index rose by 599.26 points, or 2.27%, closing at 27,012.61 [1] - The Hang Seng Technology Index increased by 175.50 points, or 3.37%, reaching 5,387.00 [1] - The Hang Seng Biotech Index gained 343.77 points, or 2.16%, ending at 16,292.94 [1] - The total trading volume was 25.3 billion [1] - Net inflow from southbound funds was 20.2 billion [1] Sector Performance - Technology stocks saw widespread gains, with Meituan rising over 5%, JD.com nearly 4%, and NetEase and Kuaishou both up over 3% [1] - The semiconductor sector opened high, with SMIC and Hua Hong Semiconductor both increasing by over 4% [1] - Gold stocks generally rose, with China Gold International up over 3% [1] - Automotive stocks were active, with Geely gaining over 1% [1] - However, stocks like Zhizhu and MiniMax experienced significant declines, both dropping over 10% [1] Company Specifics - Zhizhu (2513) reported a market capitalization of 278.7 billion and a price-to-earnings ratio of 141, with a recent price drop of 13.79% [2] - On February 21, Zhizhu issued an apology regarding its GLM Coding Plan, acknowledging three main errors: insufficient transparency, slow update pace for GLM-5, and poorly designed upgrade mechanisms for existing users [4] - Despite the apology, Zhizhu's stock price surged by 42.72% on the previous trading day, reaching a new high and a total market value of 323.2 billion HKD, marking a 524% increase since its IPO price of 116.2 HKD [4]