乘用车板块12月15日跌1%，赛力斯领跌，主力资金净流入5574.72万元

Group 1 - The passenger car sector experienced a decline of 1.0% compared to the previous trading day, with Seres leading the drop [1] - The Shanghai Composite Index closed at 3867.92, down 0.55%, while the Shenzhen Component Index closed at 13112.09, down 1.1% [1] - A table detailing the individual stock performance within the passenger car sector was provided [1] Group 2 - In terms of capital flow, the passenger car sector saw a net inflow of 55.74 million yuan from main funds, while retail funds experienced a net inflow of 12.2 million yuan [2] - Conversely, there was a net outflow of 177 million yuan from speculative funds [2] - A table showing the capital flow for individual stocks in the passenger car sector was included [2]