小金属板块12月23日涨1.35%，章源钨业领涨，主力资金净流出3.27亿元

Group 1 - The small metals sector increased by 1.35% compared to the previous trading day, with Zhangyuan Tungsten leading the gains [1] - The Shanghai Composite Index closed at 3919.98, up by 0.07%, while the Shenzhen Component Index closed at 13368.99, up by 0.27% [1] Group 2 - In terms of capital flow, the small metals sector experienced a net outflow of 327 million yuan from main funds and a net outflow of 376 million yuan from speculative funds, while retail investors contributed a net inflow of 703 million yuan [2]