装修建材板块9月9日涨0.01%，万里石领涨，主力资金净流入2553.58万元

Group 1 - The renovation and building materials sector saw a slight increase of 0.01% on September 9, with Wanli Stone leading the gains [1] - The Shanghai Composite Index closed at 3807.29, down 0.51%, while the Shenzhen Component Index closed at 12510.6, down 1.23% [1] - Key stocks in the renovation and building materials sector showed varied performance, with Wanli Stone closing at 30.35, up 4.05%, and other notable stocks like Kailun Co. and Dongfang Nanhong also experiencing gains [1] Group 2 - The sector experienced a net inflow of 25.54 million yuan from main funds, while retail investors saw a net outflow of 5.30 million yuan [2] - The detailed fund flow data indicates that Beixin Building Materials had a significant net inflow of 47.36 million yuan from main funds, while retail investors had a net outflow of 35.35 million yuan [3] - Other companies like Wanli Stone and Huali Co. also experienced mixed fund flows, with Wanli Stone seeing a net inflow of 26.05 million yuan from main funds [3]