贵金属板块1月20日涨3.47%，湖南白银领涨，主力资金净流入5.46亿元

Group 1 - The precious metals sector increased by 3.47% compared to the previous trading day, with Hunan Silver leading the gains [1] - The Shanghai Composite Index closed at 4113.65, down 0.01%, while the Shenzhen Component Index closed at 14155.63, down 0.97% [1] - Hunan Silver's stock price rose by 10.03% to 12.40, with a trading volume of 4.6076 million shares and a transaction value of 543.8 million yuan [1] Group 2 - The net inflow of main funds in the precious metals sector was 546 million yuan, while retail investors experienced a net outflow of 612 million yuan [1] - Hunan Silver had a main fund net inflow of 3.28 billion yuan, representing 6.04% of its total trading volume [2] - The trading data indicates that while some stocks like Hunan Silver saw positive main fund inflows, others like Sichuan Gold and Zhaojin Gold experienced significant net outflows [2]