塑料板块11月20日跌0.07%，国恩股份领跌，主力资金净流入4981.93万元

Market Overview - The plastic sector experienced a slight decline of 0.07% on November 20, with Guoen Co., Ltd. leading the drop [1] - The Shanghai Composite Index closed at 3931.05, down 0.4%, while the Shenzhen Component Index closed at 12980.82, down 0.76% [1] Top Gainers in the Plastic Sector - Zhangguang Co. (301092) saw a significant increase of 20.01%, closing at 41.02 with a trading volume of 116,300 shares and a turnover of 462 million yuan [1] - Guofeng New Materials (000859) rose by 10.04%, closing at 7.89 with a trading volume of 732,400 shares and a turnover of 577 million yuan [1] - Dongcai Technology (601208) increased by 10.01%, closing at 18.46 with a trading volume of 1,052,700 shares and a turnover of 1.926 billion yuan [1] Top Losers in the Plastic Sector - Tu'en Co. (002768) experienced a decline of 4.92%, closing at 53.13 with a trading volume of 25,000 shares and a turnover of 13.5 million yuan [2] - Weihai Bo (688718) fell by 4.26%, closing at 15.95 with a trading volume of 82,900 shares and a turnover of 138 million yuan [2] - Haizheng Biomaterials (688203) decreased by 4.00%, closing at 12.97 with a trading volume of 37,100 shares and a turnover of 48.77 million yuan [2] Capital Flow in the Plastic Sector - The plastic sector saw a net inflow of 49.82 million yuan from institutional investors, while retail investors contributed a net inflow of 75.13 million yuan [2] - However, there was a net outflow of 125 million yuan from speculative funds [2] Individual Stock Capital Flow - Dongcai Technology (601208) had a net inflow of 509 million yuan from institutional investors, representing 26.42% of its total trading [3] - Zhangguang Co. (301092) experienced a net inflow of 103 million yuan from institutional investors, with a net outflow of 67.61 million yuan from speculative funds [3] - Guofeng New Materials (000859) had a net inflow of 20.19 million yuan from institutional investors, while speculative funds saw a net outflow of 15.44 million yuan [3]