Zheng Xing Xing Ye Ri Bao·2025-09-24 08:39Group 1 - The plastic sector experienced a rise of 1.57% on September 24, with Shangwei New Materials leading the gains [1] - The Shanghai Composite Index closed at 3853.64, up 0.83%, while the Shenzhen Component Index closed at 13356.14, up 1.8% [1] - Shangwei New Materials had a closing price of 110.08, reflecting a 20.00% increase with a trading volume of 174,800 shares and a transaction value of 1.871 billion [1] Group 2 - The plastic sector saw a net outflow of 428 million from institutional funds, while retail investors contributed a net inflow of 549 million [2] - The trading data indicates that Daoming Optical led with a net inflow of 65.7191 million from institutional funds, despite a net outflow from retail investors [3] - The overall trading activity in the plastic sector shows a mixed sentiment, with some stocks experiencing significant inflows while others faced outflows [3]