US Markets Surge to Nasdaq Record Highs Despite Rising Bond Yields in Rare Equity-Yield Divergence

The Quick Take

• US equity markets surge to record highs on the Nasdaq index (NDAQ) despite simultaneously rising Treasury bond yields
• The equity-yield divergence challenges the traditional inverse relationship between higher yields and equity valuations
• AI earnings growth expectations and risk appetite are overwhelm higher discount rates in tech sector valuation models

US equity markets advanced sharply to record highs on the Nasdaq exchange even as Treasury bond yields simultaneously rose, creating an unusual divergence from the textbook inverse relationship between interest rates and equity valuations. The traditional financial framework predicts that higher yields should compress equity multiples by increasing the discount rate applied to future earnings — yet the technology-heavy Nasdaq reached a new record close while the 10-year Treasury yield moved higher. This decoupling reflects a market that is currently weighting AI-driven earnings growth expectations more heavily than the discounting mechanics that dominated market behaviour during the 2022 rate-rise cycle.

The divergence is made possible by the asymmetric composition of the Nasdaq: the index is heavily weighted toward mega-cap technology companies (Nvidia, Microsoft, Apple, Alphabet, Meta) whose near-term earnings growth from AI monetisation is sufficiently large to offset higher discount rates in net present value calculations. For these companies, a 50 basis point increase in long-term yields reduces fair value by a smaller percentage than a 10% upside revision to AI-driven earnings growth projections — meaning the AI earnings catalyst can overpower the yield headwind at current valuation entry points. The market's current bet is that AI earnings revisions continue to run ahead of yield increases.

The key risk to this narrative is the sequencing of surprises: if earnings season reveals that AI monetisation is progressing more slowly than expected while yields remain elevated, the equity-yield divergence would resolve sharply and negatively. Conversely, if Q3 earnings deliver strong AI-driven beats from Microsoft Azure, Google Cloud, and AWS while yields stabilize, the divergence could persist for several more quarters as AI earnings upgrades continually offset yield headwinds. Investors should watch the VIX volatility index, the Nasdaq's price-earnings multiple versus the 10-year yield inverse (equity risk premium), and Q3 earnings actual-versus-estimate differentials as the primary gauges of how long this unusual decoupling can be sustained.

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