Market Overview - On September 24, the renovation and building materials sector rose by 0.45% compared to the previous trading day, with Kailun Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3853.64, up 0.83%, while the Shenzhen Component Index closed at 13356.14, up 1.8% [1] Stock Performance - Kailun Co., Ltd. (300715) closed at 12.74, with an increase of 8.70% and a trading volume of 168,700 shares, amounting to 212 million yuan [1] - Zhongqi New Materials (001212) closed at 60.65, up 6.22%, with a trading volume of 228,200 shares and a turnover of 1.378 billion yuan [1] - Youbang Ceiling (002718) closed at 26.93, increasing by 4.18%, with a trading volume of 59,100 shares and a turnover of 158 million yuan [1] - Other notable stocks include Zhonggang Luonai (688119) with a 3.83% increase and a closing price of 4.34, and Keshin New Materials (833580) with a 3.64% increase and a closing price of 17.39 [1] Capital Flow - The renovation and building materials sector saw a net inflow of 188 million yuan from main funds, while retail funds experienced a net outflow of 99.76 million yuan and 88.26 million yuan respectively [2] - The capital flow data indicates that Zhongqi New Materials had a main fund net inflow of 175.16 million yuan, while retail funds saw a net outflow of 69.37 million yuan [3] - Other companies like Beixin Building Materials (000786) and Wanshi Stone (002785) also experienced varying levels of net inflow and outflow from main and retail funds [3]