午评：沪指半日涨1.2% AI应用概念持续活跃

Market Overview - A-shares experienced a collective rebound on January 14, with the Shanghai Composite Index rising over 1% and the ChiNext Index increasing over 2% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 2.22 trillion yuan, a decrease of 215.5 billion yuan compared to the previous trading day [1] - Key sectors showing strong performance included AI applications, medical services, and internet finance, with numerous stocks hitting the daily limit [1][2] Sector Performance - The AI application sector saw significant gains, with over twenty constituent stocks reaching the daily limit, including Liou Co., which achieved six consecutive limit-ups in nine days [1] - The medical services sector also performed well, with companies like Nuo Si Ge and Pu Rui Si seeing increases of over 20%, and Mei Nian Health hitting the limit [1] - The internet finance sector was active, with La Ka La reaching a 20% limit-up and several other stocks rising over 10% [1] - Conversely, the banking sector faced adjustments, with Chongqing Bank and Hangzhou Bank both declining over 1% [1][2] Institutional Insights - CITIC Securities highlighted that AI in healthcare is expected to accelerate the restructuring of the trillion-yuan pharmaceutical market, with a stronger payment capability anticipated by 2026 [3] - Huatai Securities noted that the introduction of new REITs policies by the end of 2025 could lead to a significant development phase for C-REITs, enhancing asset liquidity and value reassessment for commercial real estate [3] - Galaxy Securities emphasized the ongoing commercialization of AI applications, particularly in generative search and content interaction, suggesting a focus on core internet assets and AI-enabled applications [4] Trade Data - China's total goods trade import and export value reached 45.47 trillion yuan in 2025, marking a 3.8% year-on-year increase and maintaining growth for nine consecutive years [5] - Exports reached 26.99 trillion yuan, up 6.1%, while imports hit a record high of 18.48 trillion yuan, growing by 0.5% [5] Medical Supply Procurement - The sixth batch of high-value medical consumables procurement results was announced, including 12 types of medical consumables, with 202 companies and 440 products successfully procured [6] Chip Export Regulations - The U.S. government has relaxed export controls on NVIDIA's H200 chips to China, allowing for renewed shipments to Chinese clients, with the U.S. Department of Commerce overseeing the approval process [7]