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Core Viewpoint - The Hong Kong stock market opened positively on October 21, with the Hang Seng Index rising by 1.17% and the Hang Seng Tech Index increasing by 1.84% [1] Group 1: Market Performance - The majority of technology stocks experienced gains, with notable increases in shares of Sunny Optical Technology, Alibaba, and Bilibili, each rising over 3% [1] - Tencent Holdings, JD Health, Xiaomi Group, and Kuaishou also saw upward movement in their stock prices [1] Group 2: Stock Price Changes - Sunny Optical Technology: Current price at 81.500, up by 3.69% [2] - Alibaba-W: Current price at 167.500, up by 3.46% [2] - Tencent Holdings: Current price at 643.000, up by 2.47% [2] - JD Health: Current price at 64.650, up by 2.38% [2] - Xiaomi Group-W: Current price at 48.140, up by 2.12% [2] - Kuaishou-W: Current price at 75.550, up by 1.96% [2]