Zheng Xing Xing Ye Ri Bao·2025-09-25 08:38Market Overview - On September 25, the plastic sector rose by 0.85% compared to the previous trading day, with Shangwei New Materials leading the gains [1] - The Shanghai Composite Index closed at 3853.3, down 0.01%, while the Shenzhen Component Index closed at 13445.9, up 0.67% [1] Top Gainers in the Plastic Sector - Shangwei New Materials (688585) closed at 132.10, up 20.00% with a trading volume of 77,300 shares and a transaction value of 978 million [1] - Runyang Technology (300920) closed at 49.01, up 5.24% with a trading volume of 30,500 shares and a transaction value of 151 million [1] - Daon Co., Ltd. (002838) closed at 26.61, up 4.76% with a trading volume of 109,400 shares and a transaction value of 28.87 million [1] Top Losers in the Plastic Sector - Zhejiang Zhongcheng (002522) closed at 4.72, down 5.03% with a trading volume of 395,400 shares and a transaction value of 189 million [2] - Fusheng Technology (000973) closed at 7.29, down 3.44% with a trading volume of 407,900 shares and a transaction value of 302 million [2] - Yungli Co., Ltd. (300230) closed at 5.23, down 3.15% with a trading volume of 212,100 shares and a transaction value of 113 million [2] Capital Flow Analysis - The plastic sector experienced a net outflow of 800 million from institutional investors, while retail investors saw a net inflow of 701 million [2] - The top stocks with significant capital inflows from retail investors include: - Watte Co., Ltd. (002886) with a retail net inflow of 4.58 million [3] - Daon Co., Ltd. (002838) with a retail net inflow of 2.37 million [3] Summary of Capital Flows for Selected Stocks - Shangwei New Materials (688585) had a net inflow of 19.26 million from institutional investors but a net outflow of 17.86 million from retail investors [3] - Runyang Technology (300920) had a net inflow of 18.81 million from institutional investors but a net outflow of 18.12 million from retail investors [3]