化学制药板块12月31日跌0.31%，信立泰领跌，主力资金净流出8.92亿元

Group 1 - The chemical pharmaceutical sector experienced a decline of 0.31% on December 31, with Xintai leading the drop [1] - The Shanghai Composite Index closed at 3968.84, up 0.09%, while the Shenzhen Component Index closed at 13525.02, down 0.58% [1] - Key stocks in the chemical pharmaceutical sector showed varied performance, with Jinling Pharmaceutical rising by 5.58% and Xintai falling by 4.33% [1][2] Group 2 - The total net outflow of main funds in the chemical pharmaceutical sector was 892 million yuan, while retail investors saw a net inflow of 759 million yuan [2] - The top stocks by net inflow included Xingqi Eye Medicine with 74.40 million yuan and Huadong Pharmaceutical with 68.23 million yuan [3] - Notable stocks like Hongyuan Pharmaceutical and Aoxiang Pharmaceutical also saw significant net inflows from main funds [3]