装修建材板块8月27日跌3.75%，万里石领跌，主力资金净流出4.88亿元

Market Overview - The renovation and building materials sector experienced a decline of 3.75% on August 27, with Wanli Stone leading the drop [1] - The Shanghai Composite Index closed at 3800.35, down 1.76%, while the Shenzhen Component Index closed at 12295.07, down 1.43% [1] Stock Performance - Notable stock performances included: - ST Nachuan (300198) rose by 2.90% to a closing price of 2.48 with a trading volume of 530,400 shares and a turnover of 133 million yuan [1] - Wanli Stone (002785) fell by 6.85% to a closing price of 29.12 with a trading volume of 149,600 shares and a turnover of 446 million yuan [2] - Other significant declines included Gu Di Technology (002694) down 6.64% and Sen Tai Co. (301429) down 6.40% [2] Capital Flow - The renovation and building materials sector saw a net outflow of 488 million yuan from institutional investors, while retail investors contributed a net inflow of 386 million yuan [2] - The capital flow for specific stocks showed: - Fangda Group (000055) had a net inflow of 19.67 million yuan from institutional investors [3] - Donghong Co. (603856) experienced a net inflow of 8.82 million yuan from institutional investors [3] - Other stocks like Jianlang Hardware (002791) and Zhonggang Rongnai (688119) also showed mixed capital flows [3]