汽车服务板块12月22日涨0.38%，德众汽车领涨，主力资金净流出1.1亿元

Group 1 - The automotive service sector increased by 0.38% on December 22, with Dezhong Automotive leading the gains [1] - The Shanghai Composite Index closed at 3917.36, up by 0.69%, while the Shenzhen Component Index closed at 13332.73, up by 1.47% [1] Group 2 - In terms of capital flow, the automotive service sector experienced a net outflow of 110 million yuan from main funds, while retail investors saw a net inflow of 152 million yuan [2] - Speculative funds had a net outflow of approximately 41.66 million yuan [2]