造纸板块1月13日跌1.41%，青山纸业领跌，主力资金净流出3.62亿元

Market Overview - The paper sector experienced a decline of 1.41% on January 13, with Qingshan Paper leading the drop [1] - The Shanghai Composite Index closed at 4138.76, down 0.64%, while the Shenzhen Component Index closed at 14169.4, down 1.37% [1] Individual Stock Performance - Minshida (920394) saw a significant increase of 7.45%, closing at 50.74 with a trading volume of 72,000 shares and a turnover of 356 million yuan [1] - Qingshan Paper (600103) led the decline with a drop of 6.96%, closing at 4.01 with a trading volume of 3.042 million shares and a turnover of 1.255 billion yuan [2] - Other notable performers included Rongsheng Environmental (603165) with a 2.94% increase and Wuzhou Special Paper (605007) with a 2.22% increase [1] Capital Flow Analysis - The paper sector saw a net outflow of 362 million yuan from institutional investors, while retail investors contributed a net inflow of 285 million yuan [2] - The table of capital flow indicates that Minshida had a net inflow of 38.33 million yuan from institutional investors, representing 10.78% of its total trading volume [3] - In contrast, Wuzhou Special Paper experienced a net outflow of 24.45 million yuan from retail investors, indicating a negative sentiment among this group [3]