Group 1 - The battery sector experienced a decline of 0.27% on the trading day, with Anfu Technology leading the losses [1] - The Shanghai Composite Index closed at 3868.38, down 0.39%, while the Shenzhen Component Index closed at 12473.17, up 0.26% [1] - Key stocks in the battery sector showed varied performance, with Zhuhai Guanyu rising by 14.34% to a closing price of 21.61, and Anfu Technology falling by 8.35% to 37.12 [1][3] Group 2 - The net outflow of main funds in the battery sector was 2.851 billion yuan, while retail investors saw a net inflow of 2.255 billion yuan [3][4] - Notable stocks with significant fund flows included Xinwangda with a net inflow of 1.56 billion yuan from main funds, and Yihui Lithium Energy with a net inflow of 150 million yuan [4] - The trading volume and turnover for key stocks in the battery sector varied, with Zhuhai Guanyu achieving a turnover of 1.786 billion yuan [1][3]