Core Viewpoint - The automotive service sector experienced a slight decline of 0.13% on October 22, with major stocks like Jiaoyun Co. leading the drop. The Shanghai Composite Index closed at 3913.76, down 0.07%, while the Shenzhen Component Index closed at 12996.61, down 0.62% [1]. Group 1: Stock Performance - Shanghai Wumao (600822) saw a significant increase of 3.86%, closing at 11.83 with a trading volume of 270,900 shares and a turnover of 321 million yuan [1]. - Jiaoyun Co. (600676) led the decline with a drop of 3.41%, closing at 6.79, with a trading volume of 553,800 shares and a turnover of 381 million yuan [2]. - Other notable performers included Guoji Automobile (600335) with a slight increase of 0.33% and Xiamen Xinda (000701) with a minor increase of 0.18% [1][2]. Group 2: Capital Flow - The automotive service sector experienced a net outflow of 29.39 million yuan from institutional investors and 20.79 million yuan from speculative funds, while retail investors saw a net inflow of 50.18 million yuan [2]. - Shanghai Wumao (600822) had a significant net outflow of 31.42 million yuan from institutional investors, while retail investors contributed a net inflow of 23.53 million yuan [3]. - Jiaoyun Co. (600676) also faced a net outflow of 31.91 million yuan from institutional investors, with retail investors contributing a net inflow of 29.76 million yuan [3].