汽车服务板块12月29日跌1.95%，中国汽研领跌，主力资金净流出8593.12万元

Market Overview - The automotive service sector declined by 1.95% on December 29, with China Automotive Research leading the drop [1] - The Shanghai Composite Index closed at 3965.28, up 0.04%, while the Shenzhen Component Index closed at 13537.1, down 0.49% [1] Stock Performance - Key stocks in the automotive service sector showed mixed performance, with notable declines in several companies: - China Automotive Research (601965) closed at 16.84, down 4.75% with a trading volume of 140,600 shares and a turnover of 241 million yuan [2] - Xiamen Xinda (000701) closed at 6.85, down 2.56% with a trading volume of 376,600 shares and a turnover of 258 million yuan [2] - Other notable declines include: - Dezhong Automobile (920030) down 2.23% - Guoji Automobile (600335) down 2.14% - Zhongqi Co., Ltd. (301215) down 1.45% [2] Capital Flow - The automotive service sector experienced a net outflow of 85.93 million yuan from institutional investors and 51.51 million yuan from retail investors, while individual investors saw a net inflow of 137 million yuan [2] - Detailed capital flow for specific stocks indicates: - Sunbo Holdings (600653) had a net inflow of 4.89 million yuan from institutional investors but a net outflow from retail investors [3] - North Media (600386) saw a net inflow of 3.34 million yuan from institutional investors [3] - China Automotive Research (601965) experienced a significant net outflow of 26.46 million yuan from institutional investors [3]