US corporate bond issuance has reached $1.681 trillion year-to-date through July 2026, a 26.9% increase compared to the same period last year. Investment-grade corporate bond issuance in Q2 2026 hit $605 billion, a 42% jump year-over-year, with three major hyperscalers (Alphabet, Amazon, and Meta) contributing roughly $78 billion to that total. This borrowing binge is primarily driven by massive AI infrastructure spending, with technology, communications, and utilities companies tapping bond markets aggressively to fund capital expenditure programs. Technology-sector spreads are currently widening even as the broader market compresses, signaling that bond investors are growing uncomfortable with the sheer volume of bonds these companies are issuing despite their strong credit quality. Full-year 2026 projections suggest the investment-grade issuance market could breach $2 trillion for the first time, and market participants are closely watching new-issue concessions in Q3 to gauge whether demand remains sufficient to absorb this historic supply.
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