Key Takeaways
- Major US equity indexes declined Tuesday amid rising Treasury yields and elevated energy prices
- Treasury yields surged, with the 10-year note reaching 4.75%, marking the highest intraday point since January 2025
- Crude oil prices climbed above $92 per barrel following attacks on tankers near the Strait of Hormuz
- Technology shares led the decline, with the Nasdaq dropping nearly 0.9% amid concerns over AI sector financing costs
- Economic data revealed modest growth in job vacancies during July, while manufacturing activity continued its expansion streak
American equity markets began September on a down note Tuesday, pressured by climbing Treasury yields, escalating energy costs, and growing geopolitical uncertainty surrounding Iran that kept market participants cautious.
The Dow Jones Industrial Average retreated approximately 0.4%, shedding roughly 208 points. The S&P 500 declined 0.5%, while the Nasdaq Composite experienced a steeper fall of close to 0.9%.
E-Mini S&P 500 Sep 26 (ES=F)Treasury Yields Climb to Extended Highs
The benchmark 10-year Treasury note yield advanced to 4.75% during Tuesday’s trading session, representing its peak intraday level since January 2025. Meanwhile, the 30-year bond yield touched 5.27%, approaching multi-decade highs, before moderating slightly.
Elevated yields translate to increased borrowing costs. This development particularly impacts technology and artificial intelligence firms that have relied heavily on debt financing to support substantial capital expenditure initiatives.
Market strategists at Citi highlighted that current market positioning shows unprecedented exposure to the AI sector, amplifying sensitivity to fluctuations in government bond yields.
According to cross-asset analyst Nic Puckrin, the “summer party for risk assets is over,” advising market participants to “prepare for a sell-off, especially in long-duration equities like tech and AI.”
Energy Markets Compound Investor Concerns
Brent crude futures pushed above $92 per barrel Tuesday. Reports from Bloomberg indicated that two oil tankers sustained damage while navigating the exit from the Strait of Hormuz, intensifying anxieties about potential escalation in the US-Iran standoff.
Rising oil prices compound inflationary pressures, potentially reinforcing market expectations that the Federal Reserve might implement additional interest rate increases.
The technology sector suffered significant losses, declining 1%. Notable underperformers in the S&P 500 included CrowdStrike, Lumentum, and Palo Alto Networks.
Equities entered September with strong double-digit gains year-to-date alongside improving earnings forecasts. However, September traditionally represents the most challenging month for equity performance, with 2025’s edition carrying additional risk factors.
Regarding economic indicators, the Job Openings and Labor Turnover Survey revealed a marginal increase in available positions during July. Manufacturing sector activity maintained its expansion trend for an eighth consecutive month, although momentum decelerated slightly.
Upcoming quarterly reports from Dell and Palo Alto Networks are anticipated to provide insights into corporate capital allocation toward technology infrastructure and cloud computing services.
The Nasdaq concluded trading down 233 points. The S&P 500 shed approximately 40 points. The Dow finished just over 200 points lower.
The post Markets Decline as Treasury Yields Surge to January 2025 Highs appeared first on Blockonomi.

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