包装印刷板块12月26日涨0.5%，嘉美包装领涨，主力资金净流出5.86亿元

Group 1 - The packaging and printing sector increased by 0.5% on December 26, with Jia Mei Packaging leading the gains [1] - The Shanghai Composite Index closed at 3963.68, up 0.1%, while the Shenzhen Component Index closed at 13603.89, up 0.54% [1] - Jia Mei Packaging's stock price rose by 10.00% to 9.79, with a trading volume of 25,900 shares and a transaction value of 25.34 million yuan [1] Group 2 - The packaging and printing sector experienced a net outflow of 586 million yuan from institutional investors, while retail investors saw a net inflow of 618 million yuan [2] - The top gainers in the sector included Yingxing Co., which rose by 9.99% to 8.81, and Zhuhai Zhongfu, which increased by 9.97% to 3.53 [1][2] - The sector's overall trading volume and transaction values indicate significant activity, with Yingxing Co. achieving a transaction value of 1.038 billion yuan [1]