Market Overview - The automotive service sector experienced a decline of 3.24% on September 19, with 德众汽车 leading the drop [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] Stock Performance - Notable stock performances included: - 厦门信达 (Xiamen Xinda) rose by 4.64% to a closing price of 6.09 [1] - 德众汽车 (Dezhong Automobile) fell by 12.55% to a closing price of 8.64, with a trading volume of 490,500 shares [2] - 中汽股份 (Zhongqi Co.) decreased by 11.79% to a closing price of 6.88, with a trading volume of 1,264,900 shares [2] - 申华控股 (Shenhua Holdings) dropped by 6.64% to a closing price of 2.25, with a trading volume of 1,470,100 shares [2] Capital Flow - The automotive service sector saw a net inflow of 17.68 million yuan from institutional investors, while retail investors experienced a net outflow of 52.60 million yuan [2][3] - The capital flow for key stocks included: - 厦门信达 had a net inflow of 34.69 million yuan from institutional investors [3] - 中汽股份 had a net inflow of 9.95 million yuan from institutional investors but a net outflow of 53.29 million yuan from retail investors [3] - 申华控股 experienced a significant net outflow of 43.77 million yuan from institutional investors [3]