Bond Yield Surge Now Top Market Fear as AI Hype Fades, BofA Survey Reveals

MarketWatch · 2026-09-15
Bond Yield Surge Now Top Market Fear as AI Hype Fades, BofA Survey Reveals

Global fund managers are shifting their focus from the once-dominant fear of an AI bubble to a growing anxiety over a disorderly rise in bond yields, according to Bank of America’s latest quarterly survey of 250 institutional investors. The data shows that 64% of respondents now rank rising Treasury yields as their primary concern—surpassing AI-related risks for the first time in over a year. This shift underscores a broader market recalibration as investors grapple with inflation pressures, Federal Reserve policy uncertainty, and the potential for tighter monetary conditions in 2024. Key benchmarks like the 10-year U.S. Treasury yield, which recently climbed above 4.5%, are signaling heightened volatility across fixed-income and equity markets. The pivot away from AI hype reflects a maturing investor sentiment: while companies like NVIDIA, Microsoft, and Alphabet continue to drive innovation, the speculative fervor around generative AI has cooled. Instead, fund managers are increasingly wary of how rapid bond yield increases could trigger sell-offs in growth stocks, disrupt credit markets, and strain corporate balance sheets. The survey highlights that nearly half of the respondents believe current yield levels are unsustainable without triggering a recession. As global central banks remain cautious about cutting rates amid persistent inflation, the risk of a hard landing looms larger than ever. For investors, this means reevaluating portfolio allocations, favoring duration management and defensive sectors. The implications extend beyond Wall Street—global markets, emerging economies, and sovereign debt stability all hinge on whether yields can stabilize. The coming months will test whether policymakers can navigate this delicate balance without sparking financial turmoil.