Zheng Xing Xing Ye Ri Bao·2025-12-01 09:03Group 1 - The plastic sector experienced a rise of 0.81% on December 1, with Cangzhou Mingzhu leading the gains [1] - The Shanghai Composite Index closed at 3914.01, up 0.65%, while the Shenzhen Component Index closed at 13146.72, up 1.25% [1] - Key stocks in the plastic sector showed significant increases, with Cangzhou Mingzhu rising by 10.00% to a closing price of 5.17 [1] Group 2 - The plastic sector saw a net inflow of 306 million yuan from main funds, while retail investors experienced a net outflow of 349 million yuan [2] - The top stocks by main fund inflow included Guofeng New Materials with 286 million yuan and Cangzhou Mingzhu with 143 million yuan [3] - Retail investors showed significant outflows in several stocks, including Cangzhou Mingzhu and Guofeng New Materials, indicating a shift in investor sentiment [3]