港股低开低走，恒生指数跌幅扩大至2%，科指跌2.37%；快手(01024.HK)跌超5%，中芯国际(00981.HK)跌超3%。

Group 1 - The Hong Kong stock market opened lower and continued to decline, with the Hang Seng Index's drop expanding to 2% [1] - The Tech Index fell by 2.37%, indicating a broader downturn in technology stocks [1] - Kuaishou (01024.HK) experienced a decline of over 5%, reflecting negative sentiment in the market [1] - Semiconductor Manufacturing International Corporation (00981.HK) saw a drop of over 3%, highlighting challenges in the semiconductor sector [1]