Overall Market Performance - The Hang Seng Index dropped 615 points or 2.4%, closing at 25,220 points; the China Enterprises Index fell 223 points or 2.4%, closing at 8,919 points; the Hang Seng Tech Index declined 179 points or 3.2%, closing at 5,395 points. The total turnover of the market was HK$285.702 billion [1] - A - share market indices opened lower and continued to decline, with the Shanghai Composite Index dropping 96 points or 2.5% to 3,834 points, the Shenzhen Component Index falling 442 points or 3.4% to 12,538 points, and the ChiNext Index slumping 122 points or 4% to 2,920 points [1] - US stocks opened higher and closed up on Friday. The Dow Jones Industrial Average rose 493 points or 1.1% to 46,245 points, the Nasdaq Composite Index gained 195 points or 0.9% to 22,273 points, and the S&P 500 Index increased 64 points or 1% to 6,602 points [2] Policy and Economic Data - The People's Bank of China conducted 375 billion yuan of seven - day reverse repurchase operations on the 21st, with a net injection of 162.2 billion yuan after 212.8 billion yuan of reverse repurchases matured [1] - The central parity rate of the RMB against the US dollar was raised by 30 points to 7.0875 per US dollar [1] - In the first ten months of 2025, the actual use of foreign direct investment (FDI) was 621.93 billion yuan, with the decline narrowing slightly from 10.4% in the first nine months to 10.3%. The number of newly established foreign - funded enterprises was 53,800, a year - on - year increase of 14.7% [2] Index Component Changes - The Hang Seng Tech Index will add Leapmotor (09863.HK) and remove ASMPT (00522.HK) after the market close on December 5, 2025, effective December 8, 2025 [2][3] - The China Enterprises Index will add China Hongqiao (01378.HK), Innovent Biologics (01801.HK), and Yum China (09987.HK), and remove ENN Energy (02688.HK), Haidilao (06862.HK), and New Oriental - S (09901.HK) after the market close on December 5, 2025, effective December 8, 2025 [3] Company News - On the fourth day of its release, the total downloads of Ant Group's full - modality general AI assistant "Lingguang" exceeded one million, ranking sixth on the free app list in the Chinese App Store [3]