恒指跌近500点，科网股全线走低，智谱逆势大涨12%

Market Overview - The Hang Seng Index decreased by 491.59 points, or 1.82%, closing at 26,590.32 [1] - The Hang Seng Technology Index fell by 114.65 points, or 2.13%, while the Hang Seng Biotechnology Index dropped by 541.42 points, or 3.34% [1] Technology Sector - Internet technology stocks collectively declined, with Alibaba down by 2.7%, Kingsoft Cloud down by 5%, and Kuaishou and Xiaomi both falling over 2% [1] - Tencent Music saw a drop of 5.62%, closing at 57.10, while Meituan fell by 4.24% to 81.40 [2] - Tencent Holdings decreased by 3.35%, closing at 520.00 [2] Pharmaceutical Sector - The pharmaceutical sector weakened, with notable declines including Tigermed down over 3.6% and Zai Lab down 7.3% [2] - Other companies like WuXi AppTec, Innovent Biologics, and Alibaba Health also reported losses [2][3] - Three-Sixty Pharmaceuticals fell by 6.69%, closing at 22.30, while China Biologic Products dropped by 6.58% to 6.39 [3] Consumer Sector - The consumer discretionary sector experienced a downturn, highlighted by China Duty Free Group falling over 10% [4] - China Duty Free Group closed at 82.20, down 10.51% [4] AI Sector - The AI application sector showed activity, with Zhiyun rising over 12% and accumulating a 177% increase this month [4][5] - MINIMAX-WP increased by 4.70%, closing at 880.00, while Zhiyun reached 628.00, up 12.14% [5] - The latest Hugging Face open-source model rankings featured eight models from Chinese teams, including those from Alibaba and Zhiyun [5] Oil Market - International crude oil futures rose, with Shandong Molong increasing over 11% and accumulating a nearly 45% rise this year [5] - WTI crude futures for March rose by 1.9%, while Brent crude futures for April increased by 1.86% [5]