造纸板块1月15日跌0.61%，民士达领跌，主力资金净流出2.68亿元

Market Overview - The paper sector experienced a decline of 0.61% on January 15, with Minshida leading the drop [1] - The Shanghai Composite Index closed at 4112.6, down 0.33%, while the Shenzhen Component Index closed at 14306.73, up 0.41% [1] Stock Performance - Notable gainers in the paper sector included: - Rongsheng Environmental: closed at 13.40, up 1.21% with a trading volume of 29,700 lots [1] - Qifeng New Materials: closed at 8.60, up 0.82% with a trading volume of 78,600 lots [1] - Significant decliners included: - Minshida: closed at 53.00, down 7.70% with a trading volume of 62,500 lots [2] - Zhishi Paper: closed at 5.39, down 3.23% with a trading volume of 735,700 lots [2] Capital Flow - The paper sector saw a net outflow of 268 million yuan from institutional investors, while retail investors contributed a net inflow of 151 million yuan [2] - The capital flow for specific stocks showed: - Sun Paper: net inflow of 15.85 million yuan from institutional investors [3] - Bohui Paper: net inflow of 5.85 million yuan from institutional investors [3] - Qifeng New Materials: net inflow of 1.68 million yuan from institutional investors [3]