化学原料板块9月17日跌0.37%，金牛化工领跌，主力资金净流出2.5亿元

Market Overview - On September 17, the chemical raw materials sector declined by 0.37%, with Jinniu Chemical leading the drop [1] - The Shanghai Composite Index closed at 3876.34, up 0.37%, while the Shenzhen Component Index closed at 13215.46, up 1.16% [1] Stock Performance - Notable gainers in the chemical raw materials sector included: - ST Yatai (Code: 000691) with a closing price of 8.61, up 5.00% [1] - Jiaxian Co. (Code: 920489) with a closing price of 23.08, up 4.58% [1] - Hengguang Co. (Code: 301118) with a closing price of 25.27, up 2.89% [1] - Major decliners included: - Jinniu Chemical (Code: 600722) with a closing price of 6.84, down 4.20% [2] - Anada (Code: 002136) with a closing price of 11.24, down 2.09% [2] - XD Jinnengke (Code: 603113) with a closing price of 7.03, down 1.95% [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 293 million yuan [2][3] - Specific stock capital flows included: - Longbai Group (Code: 002601) with a net inflow of 56.12 million yuan from institutional investors [3] - Junzheng Group (Code: 601216) with a net inflow of 46.95 million yuan from institutional investors [3] - Xinhua Co. (Code: 002109) with a net inflow of 30.28 million yuan from institutional investors [3]