工业金属板块1月21日涨1.74%，白银有色领涨，主力资金净流入32.13亿元

Group 1 - The industrial metal sector increased by 1.74% on January 21, with silver 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] - Notable performers in the industrial metal sector included Silver Holdings, which rose by 10.01% to a closing price of 8.57, and Guocheng Mining, which also increased by 10.01% to 27.92 [1] Group 2 - The industrial metal sector saw a net inflow of 3.213 billion yuan from main funds, while retail investors experienced a net outflow of 1.373 billion yuan [2] - The trading volume for Silver Holdings was 4.9506 million shares, with a transaction value of 41.35 billion yuan [1] - The trading volume for Guocheng Mining was 405,600 shares, with a transaction value of 1.102 billion yuan [1] Group 3 - The main funds' net inflow for Zijin Mining was 8.37 billion yuan, while retail investors had a net outflow of 55.1624 million yuan [3] - The net inflow for Yuguang Gold and Lead was 2.86 billion yuan, with a net outflow of 166.7 million yuan from retail investors [3] - The net inflow for China Aluminum was 1.80 billion yuan, while retail investors had a net outflow of 6.4646 million yuan [3]