Core Viewpoint - The renovation and building materials sector experienced a slight increase of 0.24% on January 23, with Luoyang Energy leading the gains. The Shanghai Composite Index rose by 0.33%, while the Shenzhen Component Index increased by 0.79% [1]. Group 1: Stock Performance - The top-performing stocks in the renovation and building materials sector included: - Luoyang Energy (002088) with a closing price of 12.87, up 10.00% and a trading volume of 198,000 shares, totaling 247 million yuan [1]. - Youbang Ceiling (002718) closed at 67.38, up 6.99% with a trading volume of 30,700 shares, totaling 200 million yuan [1]. - Zhonggang Luonai (611889) closed at 7.52, up 6.67% with a trading volume of 755,000 shares, totaling 562 million yuan [1]. Group 2: Market Trends - The overall market saw a net outflow of 48.64 million yuan from the renovation and building materials sector, with retail investors contributing a net inflow of 233 million yuan [2]. - The main funds showed a mixed trend, with significant outflows from several stocks, including: - Zhonggang Luonai (611889) with a net inflow of 73.53 million yuan from main funds but a net outflow of 15.64 million yuan from speculative funds [3]. - Luoyang Energy (002088) had a net inflow of 52.05 million yuan from main funds, while speculative funds saw a net outflow of 20.99 million yuan [3].