化学制药板块2月2日跌2.74%，常山药业领跌，主力资金净流出17.84亿元

Market Overview - The chemical pharmaceutical sector experienced a decline of 2.74% on February 2, with Changshan Pharmaceutical leading the drop [1] - The Shanghai Composite Index closed at 4015.75, down 2.48%, while the Shenzhen Component Index closed at 13824.35, down 2.69% [1] Stock Performance - Notable gainers in the chemical pharmaceutical sector included: - Haixiang Pharmaceutical: closed at 6.81, up 7.58% with a trading volume of 1.0187 million shares and a transaction value of 688 million [1] - Runduo Co., Ltd.: closed at 15.26, up 6.05% with a transaction value of 439 million [1] - Key stocks with significant declines included: - Changshan Pharmaceutical: closed at 48.58, down 12.29% with a transaction value of 1.83 billion [2] - Qianyan Bio: closed at 21.62, down 11.39% with a transaction value of 576 million [2] Capital Flow - The chemical pharmaceutical sector saw a net outflow of 1.784 billion from main funds, while retail investors contributed a net inflow of 1.325 billion [2] - The sector's capital flow indicates a mixed sentiment, with retail investors showing interest despite the overall decline [2] Individual Stock Capital Flow - Haixiang Pharmaceutical had a net inflow of 88.25 million from main funds, while it experienced a net outflow of 32.09 million from retail investors [3] - Guangsheng Tang saw a net inflow of 78.59 million from main funds, with a net outflow of 51.81 million from retail investors [3] - Other stocks like Lianhuan Pharmaceutical and Xinluo Wei also showed similar patterns of capital flow, indicating varying investor sentiment across the sector [3]