财政扩张支撑社融规模快速增长，关注深海经济投资机遇

Investment Rating - The industry rating is "Outperform the Market" (maintained rating) [6] Core Insights - The construction sector saw a 1.6% increase last week, in line with the CSI 300, with emerging business-related stocks performing well, while traditional infrastructure state-owned enterprises showed weaker performance [1][4] - The fiscal expansion in February supported a rapid growth in social financing, which is expected to further drive fixed asset investment, particularly in infrastructure [2][16] - The inclusion of "deep-sea technology" in the government work report indicates that the deep-sea economy is poised to become a new engine for economic growth, with the marine economy expected to exceed 10 trillion yuan in 2024 [3][18] Summary by Sections 1. Fiscal Expansion and Social Financing - In February, new social financing reached 2.23 trillion yuan, a year-on-year increase of 737.4 billion yuan, with government bond net financing accounting for 76% of the month's social financing increment [2][16] - The acceleration of government financing is expected to lay a better foundation for the improvement of infrastructure physical volume [2][16] 2. Market Review - The construction index rose by 1.62% from March 10 to March 14, with notable gains in the construction decoration and landscaping engineering sectors [4][22] - Key stocks that performed well include Matrix Co. (+24.58%) and Dongyi Risheng (+21.75%) [4][22] 3. Investment Recommendations - Focus on the conversion of infrastructure physical volume and cyclical upward elasticity, recommending high-growth local state-owned enterprises and undervalued blue-chip central enterprises [5][27] - Emphasize the transformation of the construction sector and the rising prosperity of emerging businesses, particularly in computing power and cleanroom sectors [5][29] - Pay attention to major hydropower projects, deep-sea economy, and low-altitude economy as thematic investment opportunities [5][30]