基建ETF（159619）涨超2%，行业迎“政策底+盈利底+估值底”三重底部

Group 1 - The core viewpoint of the article highlights that the infrastructure ETF (159619) has risen over 2%, driven by the construction materials sector benefiting from a "high-low switch" in funding and an optimized industry structure [1] - The consumption building materials sector is experiencing a slowdown in price wars in areas such as coatings and waterproofing, with leading companies gradually recovering profitability through price increases, while smaller firms exit the market due to declining demand, leading to a significant increase in market concentration among leading enterprises [1] - The cement sector is being supported by policy-driven supply-side reforms, which prohibit new capacity and promote the replacement of excess capacity, but there are divergences among companies due to declining demand, causing resistance to price increases during peak seasons and short-term price pressure [1] Group 2 - Overall, the building materials sector is at a "policy bottom + profit bottom + valuation bottom," and the optimization of the structure in sub-sectors is expected to initiate a profit recovery cycle [1] - The infrastructure ETF (159619) tracks the CSI Infrastructure Index (930608), which selects listed companies involved in infrastructure construction, professional engineering, and housing construction from the Shanghai and Shenzhen markets to reflect the overall performance of related listed companies in the infrastructure sector [1] - The CSI Infrastructure Index focuses on sub-industries such as construction and engineering, and building decoration, characterized by a strong "infrastructure" attribute and high industry concentration, capable of comprehensively reflecting the overall performance of enterprises in the infrastructure sector [1]