Market Performance - The renovation and building materials sector increased by 1.58% on August 15, with Puhui Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3696.77, up 0.83%, while the Shenzhen Component Index closed at 11634.67, up 1.6% [1] Top Gainers - Puhui Co., Ltd. (002225) closed at 7.63, up 8.84% with a trading volume of 1.0224 million shares and a turnover of 764 million yuan [1] - Sankeshu (603737) closed at 45.42, up 5.16% with a trading volume of 79,000 shares and a turnover of 355 million yuan [1] - Keshin New Materials (833580) closed at 14.11, up 3.90% with a trading volume of 21,700 shares and a turnover of 30.41 million yuan [1] Top Losers - Wanli Stone (002785) closed at 30.46, down 2.37% with a trading volume of 92,800 shares and a turnover of 284 million yuan [2] - Zhongqi New Materials (001212) closed at 52.34, down 1.87% with a trading volume of 281,800 shares and a turnover of 154.2 million yuan [2] - Youbang Ceiling (002718) closed at 17.68, down 1.56% with a trading volume of 16,600 shares and a turnover of 29.58 million yuan [2] Capital Flow - The renovation and building materials sector experienced a net outflow of 219 million yuan from institutional investors, while retail investors saw a net inflow of 78.81 million yuan [2] - The main capital inflow and outflow for Puhui Co., Ltd. showed a net inflow of 90.49 million yuan from institutional investors, while retail investors had a net outflow of 50.95 million yuan [3] - North New Materials (000786) had a net inflow of 36.36 million yuan from institutional investors, with retail investors experiencing a net outflow of 21.03 million yuan [3]