智通财经网·2025-12-18 12:01Group 1 - The Hang Seng Index (HSI) is expected to have one of its best performances in the past decade in 2025, driven by record inflows from the Stock Connect, optimism about the future of artificial intelligence, and interest rate cuts [1][4] - As of December 12, 2025, the HSI has recorded a year-to-date increase of 29%, primarily driven by the financial, information technology, and consumer discretionary sectors [1][4] - The financial sector has been the largest contributor to the HSI's performance this year, accounting for 40% of the index's increase, with a contribution of 2,389 points [4] Group 2 - The HSI was launched in November 1969 and has become a globally recognized benchmark for the Hong Kong stock market, with a total of 16 exchange-traded products (ETPs) tracking the index, managing assets worth $23.5 billion as of November 2025 [3] - The number of constituent stocks in the HSI has increased to 89 following the latest index review on December 8, 2025, moving towards a target of 100 constituent stocks [3] - Alibaba (09988) has been the largest contributor to the HSI's performance this year, driving an increase of 1,332 points, which represents 23% of the overall increase [6]