化学原料板块10月16日跌0.93%，三祥新材领跌，主力资金净流出2.5亿元

Core Insights - The chemical raw materials sector experienced a decline of 0.93% on October 16, with Sanxiang New Materials leading the drop [1] - The Shanghai Composite Index closed at 3916.23, up 0.1%, while the Shenzhen Component Index closed at 13086.41, down 0.25% [1] Stock Performance - Santrong Co. (603938) saw a significant increase of 10.01%, closing at 17.59, with a trading volume of 68,000 shares and a turnover of 120 million yuan [1] - Other notable performers included ST Yatai (000691) with a 3.53% increase, closing at 11.72, and New Jinlu (000510) with a 1.43% increase, closing at 5.69 [1] - Conversely, Sanxiang New Materials (603663) led the decline with a drop of 3.99%, closing at 25.97, and a trading volume of 98,400 shares [2] Capital Flow - The chemical raw materials sector experienced a net outflow of 250 million yuan from institutional investors, while retail investors saw a net inflow of 20.71 million yuan [2] - The main capital inflow was observed in Zhonghe Titanium White (002145) with a net inflow of 65.19 million yuan, representing 11.52% of its total [3] - Santrong Co. (603938) had a net inflow of 36.42 million yuan, accounting for 30.43% of its total, while New Jinlu (000510) had a net inflow of 26.28 million yuan, representing 13.58% [3]