工业金属板块12月12日涨1.66%，新威凌领涨，主力资金净流入9.9亿元

Group 1 - The industrial metal sector increased by 1.66% compared to the previous trading day, with Xinweiling leading the gains [1] - The Shanghai Composite Index closed at 3889.35, up by 0.41%, while the Shenzhen Component Index closed at 13258.33, up by 0.84% [1] Group 2 - The net inflow of main funds into the industrial metal sector was 990 million yuan, while retail funds experienced a net outflow of 627 million yuan [2] - Speculative funds saw a net outflow of 363 million yuan from the industrial metal sector [2]