[Hong Kong Stock Market Close: Cryptocurrency Concept Stocks and Gold Sector Rise Across the Board] On August 21, the Hong Kong stock market closed with the Hang Seng Index up 1.21% and the Hang Seng Tech Index up 1.4%. In the gold sector, Chifeng Gold rose over 12%, Shandong Gold rose over 8%, and Lao Feng Gold rose over 7%. Bitcoin surpassed $76,000, and among cryptocurrency concept stocks, Boyaa Interactive rose over 23%, and OKG Technology rose over 5%. In the AI large model sector, MiniMax rose over 11%, and Zhipu rose over 10%.