建筑材料：开竣工数据进一步走弱，期待更强政策发力

Investment Rating - The industry rating is "Outperform the Market," indicating that the overall return of the industry is expected to exceed the market benchmark index by more than 5% in the next 6 to 12 months [64]. Core Insights - The report highlights a significant decline in real estate development investment, with a total of 7.4 trillion yuan from January to October, down 14.7% year-on-year. New housing starts and completions also saw declines of 19.8% and 16.9% respectively [3][12]. - The report anticipates stronger policy measures to stabilize the real estate market, including potential interest rate cuts and tax reductions aimed at boosting housing demand [3][12]. - The construction materials sector is expected to benefit from supply-side reforms and a potential recovery in housing demand, with the market entering a bottoming phase after three years of decline [3][5]. Summary by Sections High-frequency Data - As of November 14, 2025, the average price of bulk P.O 42.5 cement is 341.9 yuan/ton, reflecting a 0.4% decrease from the previous week and an 18.2% decrease year-on-year [4][13]. - The average price of glass (5.00mm) is 1141.4 yuan/ton, down 1.4% from the previous week and 18.6% year-on-year [20][22]. Market Review - The construction materials index increased by 0.97% during the week of November 10 to November 14, 2025, while the Shanghai Composite Index and Shenzhen Composite Index decreased by 0.18% and 0.31% respectively [48][54]. - Notable performers in the construction materials sector included pipe materials (+3.32%) and refractory materials (+2.91%), while cement manufacturing saw a slight decline of 0.01% [48]. Investment Recommendations - The report suggests focusing on three main investment lines: high-quality companies benefiting from stock renovations, undervalued stocks with long-term growth potential, and leading cyclical construction material companies showing signs of bottoming out [5]. - Specific companies recommended include Weixing New Materials, Beixin Building Materials, and Huaxin Cement among others [5].