Global corporate bond issuance reaches $3.7 trillion in H1 2026 driven by AI infrastructure investment

Global corporate bond sales reached a record $3.7 trillion in the first half of 2026, fueled by heavy borrowing from technology firms to fund AI-related capital expenditures. While the surge reflects strong investor appetite for high-grade debt, it remains uncertain whether this pace of leverage is sustainable if AI revenue growth fails to meet long-term projections.