NEW YORK, September 1, 2026, 10:00 EDT The Nasdaq slid at twice the rate of the S&P 500 after the U.S. 10-year Treasury yield increased to 4.79%.
- The Nasdaq Composite fell 1.4% at 09:33 EDT, declining at double the pace of the S&P 500.
- The 10-year Treasury yield rose to 4.79%, reaching its highest point since January 2025.
- Brent rose 1.7% to $92, as the risk premium for the Strait of Hormuz persisted.
U.S. stocks opened in negative territory on Tuesday, with the Nasdaq Composite (INDEXNASDAQ:.IXIC) slipping 1.4%. The S&P 500 (INDEXSP:.INX) was off 0.7% by 09:33 EDT. The Dow Jones Industrial Average (INDEXDJX:.DJI) lost 299 points, or 0.6% Associated Press.
The Nasdaq fell at double the rate of the S&P 500, underlining that the oil shock is most strongly impacting long-duration growth valuations.
Opening losses widened in technology
Change from Monday’s close. Snapshot: .
Source: Associated Press market update. Figures are snapshots, not live prices.
Bonds took another blow. The yield for the 10-year Treasury increased to 4.79%, up from 4.73% at Friday’s session end. This was the highest level reached since January 2025.
Higher yields decrease the present worth of expected profits. This typically impacts expensive technology shares more than industries with ample cash reserves or those sensitive to economic cycles.
The pressure stack
Morning figures reported September 1; checked at 09:54 EDT.
Source: Associated Press. Basis point change compares the 10-year yield with late Friday.
Oil prices held steady within that channel. Brent added 1.7% to reach $92 per barrel, and U.S. crude was up 2.2% at $87.67 in the morning session.
Supply concerns are centered on the Strait of Hormuz, where 20.9 million barrels per day passed during the first half of 2025, amounting to about a quarter of worldwide seaborne oil trade U.S. Energy Information Administration.
Losses extended on Tuesday following a slow start to the week. The S&P 500 closed August at 7,686.14, down 0.33%. The Nasdaq settled at 26,370.89, while the Dow finished 0.70% lower Yahoo Finance market data.
Monday’s decline was broader than the headline
Decliners per advancer at the August 31 close, 16:00 EDT.
Total U.S. share volume was 15.65 billion, against a 15.58 billion 20-session average. Source: Yahoo Finance/Zacks market data.
The scale is considerable. Monday saw trading volume reach 15.65 billion shares, slightly exceeding the 20-session average. On the NYSE, decliners outnumbered gainers by a ratio of 1.95-to-1.
The next test was scheduled for 10:00 EDT, coinciding with the planned release time for ISM’s August manufacturing figures official release calendar. As of the article’s conclusion at 10:00:07 EDT, the results had not yet been announced.
Strong growth could send yields up. A softer figure may bring rates down, though weaker demand could pose separate risks to profits.
Risks: Oil prices could drop quickly if worries about shipping ease. Bond buyer demand may pick up after the recent jump in yields as well. Both situations could undermine expectations for ongoing rate pressure.
Currently, the opening gap is clear. Nasdaq’s underperformance remains the clearest sign that the inflation shock is affecting equity duration.


