造纸板块1月21日涨0.01%，松炀资源领涨，主力资金净流出34.74万元

Group 1 - The paper sector experienced a slight increase of 0.01% on January 21, with Songyang Resources leading the gains [1] - The Shanghai Composite Index closed at 4116.94, up 0.08%, while the Shenzhen Component Index closed at 14255.12, up 0.7% [1] - Key stocks in the paper sector showed varied performance, with Songyang Resources rising by 7.11% to a closing price of 20.35, and Yibin Paper increasing by 2.36% to 21.28 [1] Group 2 - The paper sector saw a net outflow of 34.74 million yuan from institutional funds, while retail investors contributed a net inflow of 1.07512 billion yuan [2] - Notable stocks with significant net inflows from retail investors include Changxing Wangye with 22.85 million yuan and Annie Co. with 20.63 million yuan [3] - Conversely, stocks like Songyang Resources and Yibin Paper experienced net outflows from institutional and speculative funds, indicating mixed investor sentiment [3]