Zhi Tong Cai Jing·2025-11-05 14:09Core Insights - The AI investment boom is driving global stock markets to historic highs, but it increasingly relies on complex debt financing, raising concerns about financial sustainability and potential market bubbles [1] Group 1: AI Debt Financing Trends - AI-focused large tech companies issued $75 billion in U.S. investment-grade bonds in September and October, more than double the average annual issuance of $32 billion from 2015 to 2024 [2] - Debt financing is becoming crucial in the current AI boom, with a notable increase in the issuance of high-yield bonds related to AI, indicating a rise in credit risk [12] - Private credit is playing an increasingly significant role in financing AI data centers, with estimates suggesting a near doubling of AI-related private credit loans by early 2025 [15] Group 2: Market Dynamics and Risks - Oracle's stock surged by 54% in 2025, but the increase in credit default swaps indicates rising investor concerns about its debt levels [8] - The net debt-to-equity ratio of major tech companies is narrowing, suggesting a shift from cash-rich to leveraged positions, which could signal potential financial strain [6] - Asset-backed securities (ABS) are expected to support the growth of the AI industry, with the market for such securities projected to reach $115 billion by the end of next year, driven by data center construction [18]