林业板块10月22日跌3.02%，平潭发展领跌，主力资金净流出1.6亿元

Group 1 - The forestry sector experienced a decline of 3.02% on October 22, with Pingtan Development leading the drop [1] - The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1] - Major stocks in the forestry sector showed mixed performance, with Yong'an Forestry increasing by 1.02% and Pingtan Development decreasing by 5.06% [1] Group 2 - The net outflow of main funds in the forestry sector was 160 million yuan, while retail investors saw a net inflow of 117 million yuan [1] - Detailed fund flow data indicates that ST Jinggu and Yong'an Forestry experienced significant net outflows from main funds, while retail investors contributed positively to their net inflows [2]