Market Overview - The automotive service sector increased by 0.8% on December 26, with Guoji Automobile leading the gains [1] - The Shanghai Composite Index closed at 3963.68, up 0.1%, while the Shenzhen Component Index closed at 13603.89, up 0.54% [1] Stock Performance - Guoji Automobile (600335) closed at 6.54, up 2.51%, with a trading volume of 228,100 shares and a turnover of 148 million yuan [1] - China Automotive Research (601965) closed at 17.68, up 1.67%, with a trading volume of 76,300 shares and a turnover of 135 million yuan [1] - Xiamen Xinda (000701) closed at 7.03, up 1.44%, with a trading volume of 597,900 shares and a turnover of 416 million yuan [1] - Other notable stocks include Zhongqi Co. (301215) at 6.92 (+0.73%), and Jiaoyun Co. (600676) at 5.85 (+0.34%) [1] Capital Flow - The automotive service sector saw a net inflow of 72.74 million yuan from institutional investors, while retail investors experienced a net outflow of 47.16 million yuan [2] - The main capital inflow was concentrated in Guoji Automobile (1991.89 million yuan) and China Automotive Research (1958.55 million yuan) [3] - Retail investors showed significant outflows in stocks like Xiamen Xinda (-1133.70 million yuan) and Zhongqi Co. (-1312.16 million yuan) [3]