玻璃玻纤板块12月23日涨4.1%，宏和科技领涨，主力资金净流入3.55亿元

Group 1 - The glass fiber sector increased by 4.1% compared to the previous trading day, with Honghe Technology leading the gains [1] - The Shanghai Composite Index closed at 3919.98, up by 0.07%, while the Shenzhen Component Index closed at 13368.99, up by 0.27% [1] Group 2 - The glass fiber sector saw a net inflow of 355 million yuan from main funds, while retail funds experienced a net inflow of 1.1798 million yuan [2] - Conversely, speculative funds recorded a net outflow of 356 million yuan [2]