养殖业板块1月22日跌0.42%，京基智农领跌，主力资金净流出2.26亿元

Group 1 - The aquaculture sector experienced a decline of 0.42% on January 22, with Jingji Zhino leading the drop [1] - The Shanghai Composite Index closed at 4122.58, up 0.14%, while the Shenzhen Component Index closed at 14327.05, up 0.5% [1] - Key stocks in the aquaculture sector showed varied performance, with Tianyu Biological rising by 2.76% and Jingji Zhino falling by 2.43% [1][2] Group 2 - The aquaculture sector saw a net outflow of 226 million yuan from institutional investors and 152 million yuan from retail investors, while retail investors had a net inflow of 379 million yuan [2] - The top stock by net inflow was Wens Foodstuff, with a net inflow of 82.98 million yuan, while Jingji Zhino had a significant net outflow of 107.40 million yuan [3] - The overall trading volume and turnover in the aquaculture sector reflected mixed investor sentiment, with some stocks experiencing significant fluctuations in net inflows and outflows [3]