林业板块8月27日涨2.67%，平潭发展领涨，主力资金净流入1.88亿元

Group 1 - The forestry sector experienced a rise of 2.67% on August 27, with Pingtan Development leading the gains [1] - The Shanghai Composite Index closed at 3800.35, down 1.76%, while the Shenzhen Component Index closed at 12295.07, down 1.43% [1] - Pingtan Development's stock price increased by 9.94% to 3.87, with a trading volume of 1.5455 million shares and a transaction value of 586 million [1] Group 2 - The net inflow of main funds in the forestry sector was 188 million, while retail funds saw a net outflow of 84.0847 million [1] - Individual stock performances showed varied results, with Pingtan Development seeing a significant increase, while ST Jinggu and Fujian Jinsen experienced declines of 3.12% and 3.63% respectively [1][2] - The trading data indicates that ST Jinggu had a trading volume of 16,100 shares and a transaction value of 35.2083 million, while Yong'an Forestry saw a decline of 5.28% with a trading volume of 289,700 shares and a transaction value of 199 million [1][2]