乘用车板块10月28日跌0.18%，长安汽车领跌，主力资金净流出3.57亿元

Core Insights - The passenger car sector experienced a decline of 0.18% on October 28, with Changan Automobile leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Market Performance - The following companies showed notable price movements: - China National Offshore Oil Corporation (CNOOC) closed at 5.98, up 4.55% with a trading volume of 1.93 million shares and a turnover of 1.15 billion [1] - BAIC Blue Valley closed at 8.21, up 1.86% with a trading volume of 1.92 million shares and a turnover of 1.58 billion [1] - GAC Group closed at 7.76, up 0.13% with a trading volume of 317,200 shares and a turnover of 245 million [1] - BYD closed at 103.72, down 0.28% with a trading volume of 265,400 shares and a turnover of 2.76 billion [1] - Changan Automobile closed at 12.51, down 0.79% with a trading volume of 843,200 shares and a turnover of 1.06 billion [1] Capital Flow - The passenger car sector saw a net outflow of 357 million from institutional investors, while retail investors contributed a net inflow of 261 million [1] - The following companies had significant capital flows: - BAIC Blue Valley had a net inflow of 1.85 billion from institutional investors, but a net outflow of 1.12 billion from speculative funds [2] - GAC Group had a net inflow of 21.78 million from institutional investors, with a net outflow of 1.48 million from speculative funds [2] - Changan Automobile experienced a net outflow of 1.06 billion from institutional investors, but a net inflow of 101 million from retail investors [2] - BYD faced a net outflow of 234 million from institutional investors, while speculative funds saw a net inflow of 122 million [2]