恒生科技指数午盘跌0.66%，恒生指数跌0.04%

Group 1 - The Hang Seng Technology Index decreased by 0.66% and the Hang Seng Index fell by 0.04% during the midday close on January 20 [1] - The passenger airline and healthcare service sectors showed notable gains, while hotel and resort REITs and biotechnology sectors experienced significant declines [1] - Individual stock performances included Pop Mart rising by 8.46%, Zhaoyi Innovation increasing by 4.69%, and China Eastern Airlines up by 4.56% [1] Group 2 - The largest declines were seen in stock prices such as Jiajie Ankang-B, which fell by 9.77%, and New World Development, which dropped by 10.57% [1]