电池板块12月19日涨0.64%，安孚科技领涨，主力资金净流入6.53亿元

Group 1 - The battery sector increased by 0.64% compared to the previous trading day, with Anfu Technology leading the gains [1] - The Shanghai Composite Index closed at 3890.45, up 0.36%, while the Shenzhen Component Index closed at 13140.22, up 0.66% [1] - A detailed table of individual stock performance in the battery sector is provided [1] Group 2 - The net inflow of main funds in the battery sector was 653 million yuan, while retail funds saw a net inflow of 24.88 million yuan [2] - The net outflow of speculative funds amounted to 678 million yuan [2] - A detailed table of fund flows for individual stocks in the battery sector is included [2]