化学纤维板块12月29日涨1.34%，吉林碳谷领涨，主力资金净流入4.44亿元

Group 1 - The chemical fiber sector increased by 1.34% on December 29, with Jilin Carbon Valley leading the gains [1] - The Shanghai Composite Index closed at 3965.28, up 0.04%, while the Shenzhen Component Index closed at 13537.1, down 0.49% [1] - Notable gainers in the chemical fiber sector included Jilin Carbon Valley, which rose by 23.65% to a closing price of 18.30, and Benxi Servicing, which increased by 10.07% to 4.81 [1] Group 2 - The chemical fiber sector saw a net inflow of 444 million yuan from main funds, while retail investors experienced a net outflow of 316 million yuan [2] - The top stocks by main fund inflow included Jilin Chemical Fiber with 250 million yuan and Jilin Carbon Valley with 114 million yuan [3] - The stock with the highest retail outflow was Suzhou Longjie, which saw a net outflow of 33.51 million yuan from retail investors [3]