携程，大跌！最强主线，尾盘拉升

Group 1 - Ctrip's stock dropped by 19.23% today, following a previous decline of 6.49%, due to an investigation by the State Administration for Market Regulation regarding alleged monopolistic practices [4][5] - The investigation is based on the Anti-Monopoly Law of the People's Republic of China, and Ctrip has stated it will cooperate with the authorities while continuing normal business operations [4][6] - The overall tourism sector also experienced a collective decline alongside Ctrip's drop [4] Group 2 - The Hong Kong stock market halted its consecutive gains, with the Hang Seng Technology Index falling by 1.35% and the Hang Seng Index down by 0.28% [2] - The semiconductor sector saw a late rally, driven by positive news from TSMC, which reported a 35% profit increase for Q4 2025 and announced a capital expenditure plan of up to $56 billion for 2026, a 37% increase from 2025 [6] - The real estate sector in Hong Kong showed resilience, with a report indicating that 30 major listed property companies achieved a total sales amount of 232.86 billion yuan in December 2025, with 22 companies showing month-on-month growth [8]