Zheng Xing Xing Ye Ri Bao·2025-10-20 08:21Market Performance - The plastic sector increased by 1.56% on October 20, with Qide New Materials leading the gains [1] - The Shanghai Composite Index closed at 3863.89, up 0.63%, while the Shenzhen Component Index closed at 12813.21, up 0.98% [1] Top Gainers in Plastic Sector - Qide New Materials (300995) closed at 46.84, up 6.19% with a trading volume of 29,100 lots and a turnover of 136 million [1] - Gengxin Guonian (688087) closed at 28.33, up 5.55% with a trading volume of 54,300 lots and a turnover of 153 million [1] - Tongyi Co., Ltd. (300538) closed at 15.67, up 4.33% with a trading volume of 55,800 lots and a turnover of 87.29 million [1] - Cangzhou Mingzhu (002108) closed at 4.44, up 4.23% with a trading volume of 3,237,100 lots and a turnover of 1.397 billion [1] Market Trends - The plastic sector experienced a net outflow of 355 million from institutional investors, while retail investors saw a net inflow of 278 million [2][3] - The overall trading activity indicates a mixed sentiment, with institutional investors pulling back while retail investors are actively participating [2][3] Individual Stock Performance - Jinfat Technology (600143) had a net inflow of 62.73 million from institutional investors, but saw outflows from both retail and speculative investors [3] - Cangzhou Mingzhu (002108) attracted significant net inflows from both institutional and speculative investors, despite a notable outflow from retail investors [3]