天风研究：9月基建表现疲软，四季度基建或受益增量资金和政策催化

Group 1 - Infrastructure investment in September showed weakness, with a focus on potential recovery in Q4 due to early fiscal fund allocation and new policy financial tools totaling 500 billion [2][6] - Real estate completion growth turned positive for the first time in 24 years in September, while overall infrastructure performance remained average [3][6] - Cement demand is gradually weakening, with a notable decline in production and shipment rates, indicating a need to monitor recovery dynamics in cement profitability [4][6] Group 2 - The glass market showed signs of demand improvement in September, with a slight increase in trading atmosphere and a reduction in producer inventory, although overall market sentiment remains cautious [5][6] - The average price of cement in China was 351 yuan per ton, reflecting a year-on-year decrease of 64 yuan, but a slight increase from early September [4][6] - The construction sector is expected to benefit from increased funding and policy support, particularly for undervalued high-dividend construction stocks [2][6]