Zheng Xing Xing Ye Ri Bao·2025-10-16 08:20Market Overview - The plastic sector experienced a decline of 2.44% on October 16, with Runyang Technology 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] Top Gainers in Plastic Sector - Xiangyuan New Materials (300980) saw a significant increase of 12.80%, closing at 30.57 with a trading volume of 220,700 shares and a transaction value of 652 million [1] - Nalco (002825) rose by 9.99%, closing at 11.89 with a trading volume of 58,900 shares and a transaction value of 70.03 million [1] - Pan-Asia Micro透 (688386) increased by 3.51%, closing at 77.56 with a trading volume of 28,500 shares and a transaction value of 223 million [1] Top Decliners in Plastic Sector - Runyang Technology (300920) fell by 8.07%, closing at 40.90 with a trading volume of 32,200 shares and a transaction value of 135 million [2] - Shangwei New Materials (688585) decreased by 6.96%, closing at 82.35 with a trading volume of 80,600 shares and a transaction value of 677 million [2] - Shengquan Group (605589) dropped by 5.34%, closing at 28.73 with a trading volume of 258,400 shares and a transaction value of 754 million [2] Capital Flow Analysis - The plastic sector saw a net outflow of 715 million from institutional investors, while retail investors contributed a net inflow of 551 million [2] - The top stocks with significant net inflows from retail investors include Stik (300806) with a net inflow of 527.46 million [3] - Nalco (002825) experienced a net outflow of 1.96 million from retail investors, indicating a shift in investor sentiment [3]