Zheng Xing Xing Ye Ri Bao·2025-12-25 09:14Group 1 - The glass and fiberglass sector increased by 0.17% on December 25, with Jiuding New Materials leading the gains [1] - The Shanghai Composite Index closed at 3959.62, up 0.47%, while the Shenzhen Component Index closed at 13531.41, up 0.33% [1] - Jiuding New Materials saw a closing price of 11.32, with a significant increase of 10.01% and a trading volume of 65,200 shares, amounting to 73.80 million yuan [1] Group 2 - The glass and fiberglass sector experienced a net outflow of 294 million yuan from institutional investors, while retail investors saw a net inflow of 432 million yuan [2] - The trading data indicates that Jiuding New Materials had a net inflow of 30.28 million yuan from institutional investors, representing 41.03% of its trading volume [3] - In contrast, China Jushi experienced a decline of 1.19% in its stock price, closing at 16.59 with a trading volume of 439,900 shares, totaling 73.20 million yuan [2]