Zheng Xing Xing Ye Ri Bao·2026-01-08 08:56Group 1 - The glass and fiberglass sector experienced a 0.44% increase on January 8, with Jiuding New Materials leading the gains [1] - The Shanghai Composite Index closed at 4082.98, down 0.07%, while the Shenzhen Component Index closed at 13959.48, down 0.51% [1] - Jiuding New Materials saw a closing price of 11.78, with a significant increase of 9.99%, and a trading volume of 1.1887 million shares, resulting in a transaction value of 1.368 billion yuan [1] Group 2 - The glass and fiberglass sector had a net inflow of 465 million yuan from main funds, while retail investors experienced a net outflow of 290 million yuan [2] - The trading data indicates that Jiuding New Materials had a net inflow of 298 million yuan from main funds, representing 21.77% of its total trading volume [3] - Zhongcai Technology also showed a net inflow of 221 million yuan from main funds, accounting for 11.24% of its trading volume [3]