KINGFA(SH:600143) Zheng Xing Xing Ye Ri Bao·2025-09-19 08:42Market Overview - On September 19, the plastic sector declined by 2.22%, with Jinfatech leading the drop [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] Stock Performance - Notable gainers in the plastic sector included: - Lanyuan Technology (300487) with a closing price of 56.84, up 5.16% [1] - ST Wenwen (603580) at 14.85, up 4.80% [1] - Dongcai Technology (601208) at 21.09, up 3.48% [1] - Major decliners included: - Jinfatech (600143) at 21.67, down 10.01% with a trading volume of 3.55 million shares and a turnover of 7.83 billion [2] - Guoen Co. (002768) at 48.01, down 8.50% [2] - Zhongyan Co. (688716) at 46.76, down 5.74% [2] Capital Flow - The plastic sector experienced a net outflow of 2.14 billion from institutional investors, while retail investors saw a net inflow of 1.63 billion [2] - The detailed capital flow for selected stocks showed: - Dongcai Technology (601208) had a net inflow of 1.69 billion from institutional investors, accounting for 11.93% [3] - Guoen Co. (002768) had a net inflow of 94.58 million from institutional investors, accounting for 12.95% [3] - Other stocks like Heshun Technology (301237) and Huaren Materials (301090) also showed varying levels of net inflow and outflow [3]