Zheng Xing Xing Ye Ri Bao·2025-08-18 08:38Group 1 - The plastic sector experienced a rise of 1.48% on August 18, with Qide New Materials leading the gains [1] - The Shanghai Composite Index closed at 3728.03, up 0.85%, while the Shenzhen Component Index closed at 11835.57, up 1.73% [1] - Qide New Materials saw a significant increase in its stock price, closing at 55.72 with a rise of 20.01% [1] Group 2 - The trading volume for Qide New Materials was 62,000 shares, with a transaction value of 319 million yuan [1] - Other notable stocks in the plastic sector included Zhongyan Co. with a closing price of 56.80, up 13.46%, and Jiangsu Boyun with a closing price of 38.16, up 10.10% [1] - The overall net capital flow in the plastic sector showed a net outflow of 890 million yuan from main funds, while retail funds saw a net inflow of 393 million yuan [2] Group 3 - The main capital inflow for Zhonglun New Materials was 83.68 million yuan, while it experienced a net outflow of 42.13 million yuan from speculative funds [3] - The stock of Qide New Materials had a main capital inflow of 23.99 million yuan, with a net outflow of 5.99 million yuan from speculative funds [3] - The overall trend indicates a mixed sentiment in the plastic sector, with some stocks experiencing significant gains while others faced capital outflows [2][3]