林业板块10月23日涨5.01%，平潭发展领涨，主力资金净流入2.9亿元

Group 1 - The forestry sector experienced a significant increase of 5.01% on October 23, with Pingtan Development leading the gains [1] - The Shanghai Composite Index closed at 3922.41, up 0.22%, while the Shenzhen Component Index closed at 13025.45, also up 0.22% [1] - Key stocks in the forestry sector showed varied performance, with Pingtan Development rising by 10.13% to a closing price of 4.13, while ST Jinggu fell by 2.62% to 20.43 [1] Group 2 - The net inflow of main funds in the forestry sector was 290 million yuan, while retail investors saw a net outflow of 216 million yuan [1] - Pingtan Development had a main fund net inflow of 281 million yuan, accounting for 15.98% of its trading volume, while retail investors had a net outflow of 205 million yuan [2] - Fujian Jinsen and Yong'an Forestry also experienced mixed fund flows, with Fujian Jinsen seeing a net inflow of 619.79 million yuan from main funds [2]