电池板块8月13日涨2.72%，铜冠铜箔领涨，主力资金净流入12.13亿元

Group 1 - The battery sector increased by 2.72% compared to the previous trading day, with the Shanghai Composite Index closing at 3683.46, up 0.48%, and the Shenzhen Component Index closing at 11551.36, up 1.76% [1] - The top-performing stock in the battery sector was Tongguan Copper Foil, which rose by 20.02% to a closing price of 29.92 [1] - Other notable gainers included Yishitong, which increased by 17.89%, and Defu Technology, which rose by 17.30% [1] Group 2 - The net inflow of main funds in the battery sector was 1.213 billion yuan, while retail investors contributed a net inflow of 361 million yuan [3] - Conversely, there was a net outflow of 1.574 billion yuan from speculative funds [3]