Group 1 - Tianyue Advanced (02631) saw a significant increase of over 17%, reaching a new high of 70.4 HKD, with a trading volume of 314 million HKD [1] - Zhejiang Securities' report highlights Tianyue Advanced's active expansion into silicon carbide (SiC) applications in emerging fields, indicating long-term growth potential [1] - SiC materials are expected to be ideal for next-generation AR glasses due to their high refractive index and lightweight advantages, leading to improved display performance [1] - The demand for AI computing power is driving the need for efficient data center energy consumption, where SiC power devices can significantly enhance server power efficiency [1] - SiC is anticipated to become a key material as major companies like NVIDIA push data centers towards an 800V high-voltage architecture [1] - Single crystal SiC has a thermal conductivity 2-3 times higher than silicon, making it an ideal material for intermediary layers, potentially providing new thermal management solutions for CoWoS packaging [1] Group 2 - TSMC's Q4 2025 performance exceeded expectations, achieving double-digit growth for the seventh consecutive quarter, with net profit soaring 35% year-on-year to approximately 16 billion USD, marking a historical high [2] - TSMC's gross margin has surpassed 60% for the first time, indicating strong operational efficiency [2] - The company has significantly raised its capital expenditure guidance for 2026 to 52-56 billion USD, nearly 40% higher than previous expectations [2] - TSMC anticipates a substantial increase in capital expenditures over the next three years [2] - SiC materials are identified as meeting the performance requirements for AI chips, with major AI clients leading the upgrade of intermediary layer materials [2]