What happened?
Government bond yields have recently risen sharply, pushing borrowing costs to their highest levels in years and extending the bond market sell-off. 10-year Treasury yields have moved above 5.2%, their highest level since 2007, while 30-year yields have climbed beyond 5.5%, the highest level since 2004.
What is striking, however, is how little of this has spilled over into broader risk assets. Despite a significant repricing in the bond market, the S&P 500 remains close to record highs, while credit spreads have remained relatively tight. Together, both suggest investors continue to view higher yields as a reflection of economic strength rather than deteriorating conditions.
Several explanations have been cited for the move, including higher oil prices, persistent fiscal deficits, stronger growth, AI-related investment demand, and the prospect of further Fed tightening. However, market pricing suggests these forces are not contributing equally.
Inflation expectations, measured by breakeven yields, have remained relatively well anchored despite the recent rise in oil prices. Similarly, evidence of a broad fiscal repricing remains limited. A genuine fiscal shock would likely be accompanied by a larger increase in term premia, sustained long-end underperformance, Treasury cheapening relative to other high-quality assets, higher volatility, and a more pronounced deterioration in traditional safe-haven characteristics.
Instead, the majority of the sell-off has been driven by a rise in real yields, suggesting investors are reassessing growth, policy expectations, and capital demand rather than inflation or fiscal risk. Several factors are contributing to that reassessment:
- Stronger economic activity: Continued resilience in growth and labor markets is prompting investors to reassess how restrictive policy ultimately needs to become.
- Higher policy rate expectations: Markets have revised the policy outlook, with further Fed rate hikes priced in for 2026 and additional tightening expected in 2027, particularly if oil prices remain above $100 per barrel.
- AI-related investment demand: Large-scale spending on AI infrastructure is boosting demand for capital and contributing to higher real interest rates.
Taken together, bond markets increasingly reflect continued economic resilience alongside an unusually capital-intensive investment cycle. If economic resilience and investment demand remain intact, there may still be scope for yields to move higher.
Historically, a sharp rise in bond yields would have posed a significant challenge for equities. Yet the equity market response has been relatively muted, with the S&P 500 remaining around 1% below its record high.
The resilience of the U.S. economy helps explain why. Nominal GDP is expanding at 6.6% year-on-year, the strongest pace since 2005 outside the post-pandemic rebound. With growth remaining robust, it is hardly surprising that Treasury yields have moved higher. While rising yields may create headwinds, they are also a reflection of stronger growth, which continues to support earnings and risk assets. Corporate profit margins remain near cycle highs, while consensus expects earnings growth of more than 30% in 2026 and a further 15% in 2027.
A second factor is that the AI investment cycle has remained notably insensitive to higher borrowing costs. Unlike many traditional capital expenditure cycles, AI-related spending is increasingly viewed as strategically essential rather than discretionary. Continued hyperscaler spending commitments suggest that AI investment should remain a meaningful support for growth and earnings even as other rate-sensitive sectors slow. As a result, equity markets appear better positioned to absorb higher yields than in past periods.
That said, there are limits. As bond yields move higher, fixed income becomes increasingly competitive with equities for investor capital. Even if earnings remain strong, higher discount rates are likely to place greater pressure on valuations and contribute to more volatile market conditions.
The most important risk to equities is that inflation proves more persistent than markets currently expect. Much of the current market narrative remains centered on “immaculate disinflation,” where inflation gradually returns to target without a meaningful slowdown in demand. However, continued economic resilience, higher energy costs, and strong investment demand raise the possibility that inflation proves more persistent than currently anticipated.
Should that occur, central banks may be forced to maintain restrictive policy for longer or tighten further. In that environment, higher rates could begin to weigh on growth and earnings, limiting companies’ ability to offset higher discount rates through stronger profits.
A second risk is that earnings growth fails to keep pace with expectations. Looking ahead to 2027, earnings expectations are becoming increasingly demanding, with much of the optimism resting on the assumption that today’s AI investment boom ultimately translates into sustained profit growth. If earnings disappoint while interest rates remain elevated, equity valuations could come under greater pressure as investors become less willing to look through weaker results.
Put differently, the current market equilibrium relies on both growth and earnings remaining strong enough to justify higher yields. If either begins to disappoint, the market’s tolerance for elevated rates could be tested.
Implications for investors
While higher energy prices, tighter monetary policy, and fiscal deficits have all played a role, the rise in yields increasingly reflects economic resilience and AI-related investment demand.
Nevertheless, higher yields reduce the margin for error. Returns are likely to become more dispersed as valuations face greater pressure and investors place increased emphasis on earnings delivery. Companies supported by durable secular growth trends and strong earnings momentum should prove more resilient, while rate-sensitive segments of the market may face greater challenges.
A selective approach remains essential in a market where fundamentals remain supportive, but elevated rates leave little room for disappointment.
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