研选 | 光大研究每周重点报告 20250517-20250523

Group 1 - The core driver for the formation of a bull market is the recovery of the fundamentals, with liquidity easing and industrial trends often creating a resonance effect [3] - When the fundamentals improve comprehensively, it typically leads to a full bull market; during structural improvements, a bull market may also emerge if combined with liquidity easing and industrial trends [3] - The future outlook suggests a gradual and moderate recovery process for fundamentals, with macro and micro liquidity resonance and industrial upgrades expected to drive market growth [3] Group 2 - In 2024, coal enterprises experienced a decline in operating income, a decrease in operating cash flow, and significant net outflows in investment cash flow [4] - Financing cash flow continues to show a net outflow, with high leverage levels and growing debt, although overall debt repayment capability remains strong [4] - It is anticipated that coal enterprise profitability will still be supported in 2025, with operating cash flow remaining relatively ample and investment cash flow showing relative rigidity [5] Group 3 - The rapid development of AI is significantly increasing its electricity demand, despite short-term concerns regarding market changes and computing power investments [5] - The emergence of DeepSeek has further boosted AI investment confidence outside the United States, presenting development opportunities for server power supplies [5] - The market size for NVIDIA's AI server AC-DC power supply is expected to reach between 35.1 billion to 45.5 billion yuan by 2025, with chip iterations benefiting BBU and supercapacitors [5]