水泥板块10月28日跌1.12%，塔牌集团领跌，主力资金净流出1.64亿元

Market Overview - The cement sector experienced a decline of 1.12% on October 28, with Ta Pai Group 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] Individual Stock Performance - Fujian Cement saw a significant increase of 10.08%, closing at 7.10, with a trading volume of 400,100 shares and a turnover of 279 million [1] - Guotong Co. rose by 5.48%, closing at 16.18, with a trading volume of 295,400 shares and a turnover of 469 million [1] - Ta Pai Group, however, fell by 7.65%, closing at 8.33, with a trading volume of 381,800 shares and a turnover of 321 million [2] Capital Flow Analysis - The cement sector experienced a net outflow of 164 million from institutional investors, while retail investors saw a net inflow of 123 million [2] - The capital flow for individual stocks showed that Fujian Cement had a net inflow of 21.05 million from institutional investors, while Ta Pai Group had a net outflow of 57.47 million from retail investors [3]