港股午评：恒生指数跌0.81%，网易-S逆市大涨13%

Market Performance - The Hang Seng Index closed down by 0.81% [1] - The Hang Seng Tech Index decreased by 0.57% [1] Company Specific Movements - Genscript Biotech Corporation (歌礼制药-B) fell over 9% [1] - Alibaba (阿里巴巴) dropped more than 5% [1] - NetEase (网易-S) saw a significant increase, rising by 13% [1] - Fourth Paradigm (第四范式) experienced a rise of over 8% [1]