装修建材板块1月15日跌0.44%，友邦吊顶领跌，主力资金净流入7336.79万元

Core Viewpoint - The renovation and building materials sector experienced a decline of 0.44% on January 15, with Aoyuan Ceiling leading the drop. The Shanghai Composite Index closed at 4112.6, down 0.33%, while the Shenzhen Component Index rose by 0.41% to 14306.73 [1]. Group 1: Stock Performance - Zhongqi New Materials (001212) saw a significant increase of 10.00%, closing at 53.24 with a trading volume of 121,600 shares and a transaction value of 622 million yuan [1]. - Kairun Co., Ltd. (300715) increased by 3.36%, closing at 11.68 with a trading volume of 60,200 shares [1]. - Aoyuan Ceiling (002718) led the decline with a drop of 10.01%, closing at 61.70 with a trading volume of 21,100 shares and a transaction value of 132 million yuan [2]. Group 2: Capital Flow - The renovation and building materials sector saw a net inflow of 73.37 million yuan from institutional investors, while retail investors experienced a net outflow of 160 million yuan [2]. - Major stocks like Zhongqi New Materials (001212) had a net inflow of 128 million yuan from institutional investors, but retail investors withdrew 58.65 million yuan [3]. - Other notable stocks such as Beixin Building Materials (000786) and Wanli Stone (002785) also showed varying degrees of net inflow and outflow from different investor categories [3].