港股开盘：恒生指数跌2.5%，恒生科技指数跌2.43%

Core Viewpoint - The Hong Kong stock market experienced a significant decline, with the Hang Seng Index dropping by 2.5% and the Hang Seng Tech Index falling by 2.43% on October 13. However, gold stocks showed resilience, with notable increases in their share prices. Group 1: Market Performance - The Hang Seng Index decreased by 2.5% [1] - The Hang Seng Tech Index fell by 2.43% [1] Group 2: Gold Stocks - WanGuo Gold Group opened over 6% higher [1] - Zijin Mining International opened over 4% higher [1] - Shandong Gold opened over 3% higher [1]