电池板块12月9日跌1.18%，科达利领跌，主力资金净流出26.86亿元

Group 1 - The battery sector experienced a decline of 1.18% on the trading day, with Keda Li leading the drop [1] - The Shanghai Composite Index closed at 3909.52, down 0.37%, while the Shenzhen Component Index closed at 13277.36, down 0.39% [1] - Detailed stock performance within the battery sector is provided in a table [1] Group 2 - On the same day, the battery sector saw a net outflow of 2.686 billion yuan from main funds, while retail investors contributed a net inflow of 2.362 billion yuan [2] - The net inflow from speculative funds was 324 million yuan [2] - A table detailing the fund flow for individual stocks in the battery sector is included [2]