林业板块12月30日涨2.68%，平潭发展领涨，主力资金净流出7.11亿元

Group 1 - The forestry sector increased by 2.68% on December 30, with Pingtan Development leading the gains [1] - The Shanghai Composite Index closed at 3965.12, showing no change, while the Shenzhen Component Index rose by 0.49% to 13604.07 [1] - Pingtan Development's stock price rose by 3.70% to 16.80, with a trading volume of 5.1552 million shares [1] Group 2 - The forestry sector experienced a net outflow of 711 million yuan from institutional investors, while retail investors saw a net inflow of 491 million yuan [1] - ST Jinggu reported a net outflow of 2.0708 million yuan from institutional investors, with a 32.03% net share [2] - Fujian Jinsen had a net outflow of 3.8071 million yuan from institutional investors, with a net inflow of 10.7664 million yuan from retail investors [2]