化学纤维板块12月23日跌1.49%，新乡化纤领跌，主力资金净流出3.44亿元

Group 1 - The chemical fiber sector experienced a decline of 1.49% compared to the previous trading day, with Xinxiang Chemical Fiber leading the drop [1] - On the same day, 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 - In terms of capital flow, the chemical fiber sector saw a net outflow of 344 million yuan from main funds, while retail investors contributed a net inflow of 337 million yuan [2] - Speculative funds recorded a net inflow of 7.01 million yuan into the chemical fiber sector [2]