Group 1 - The chemical pharmaceutical sector increased by 0.91% on January 23, with Guangshantang leading the gains [1] - The Shanghai Composite Index closed at 4136.16, up 0.33%, while the Shenzhen Component Index closed at 14439.66, up 0.79% [1] - Guangshantang's stock price rose by 20.00% to 96.28, with a trading volume of 185,500 shares [1] Group 2 - The main funds in the chemical pharmaceutical sector experienced a net outflow of 487 million yuan, while retail investors saw a net inflow of 1.12 billion yuan [2] - The stock performance of several companies showed varied results, with some experiencing declines, such as Xingqi Eye Medicine down 4.86% [2] - The trading volume and turnover for various companies in the sector were significant, with notable figures such as 1.62 billion yuan for Xingqi Eye Medicine [2] Group 3 - Guangshantang had a net inflow of 396 million yuan from main funds, while retail investors had a net outflow of 136 million yuan [3] - Other companies like Hancheng Group and Shutaishen also showed significant net inflows and outflows, indicating varied investor sentiment [3] - The data reflects a mixed investment environment within the chemical pharmaceutical sector, with both institutional and retail investors actively participating [3]