化学纤维板块8月28日涨0.94%，中复神鹰领涨，主力资金净流出2.31亿元

Group 1 - The chemical fiber sector increased by 0.94% on August 28, with Zhongfu Shenying leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] Group 2 - On the same day, the chemical fiber sector experienced a net outflow of 231 million yuan from institutional investors, while retail investors saw a net inflow of 168 million yuan [2] - The table provided shows the net capital flow for various stocks within the chemical fiber sector, indicating varying levels of institutional and retail investor activity [2]