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US Stocks Fall as Brent Crude Tops $108 Amid Iran Conflict

By Markets Desk · 2026-09-11 · 1 min read
A silhouette of a crude oil pump jack against a twilight sky
Illustration: Tradingbird

The S&P 500 dropped 0.6 percent on Thursday, marking its fourth consecutive daily loss. This decline follows a sharp spike in oil prices that reignited inflation concerns among investors.

Brent crude briefly exceeded 108 dollars per barrel on Thursday. The price surge is driven by the ongoing conflict with Iran, which disrupts global oil supply chains. Market participants reacted to the rising energy costs by selling equities across major sectors.

The Dow Jones Industrial Average closed at 52,064.10, down 316.56 points. The Nasdaq composite ended the session at 26,081.72, reflecting a decrease of 171.62 points. These losses continue a trend of weakness seen in recent trading sessions.

Bond Yields Rise on Inflation Fears

The yield on the 10-year U.S. Treasury note jumped to 4.95 percent. This level represents an increase of nearly one percentage point since the conflict with Iran began. Higher borrowing costs add pressure to equity valuations by raising the hurdle rate for corporate earnings.

Investors are monitoring the impact of energy costs on broader price stability. The current trajectory suggests that inflation risks remain elevated despite previous economic data. This environment limits the room for central bank policy easing in the near term.

Weekly and Annual Performance Lags

For the week, the S&P 500 is down 1.6 percent, or 126.90 points. The Dow Jones Industrial Average has lost 2.5 percent, totaling a decline of 1,350.15 points. Small-cap stocks underperformed, with the Russell 2000 falling 2.8 percent for the week.

Year-to-date, the S&P 500 remains up 10.9 percent, or 746.20 points. The Dow is up 8.3 percent, while the Nasdaq leads with a gain of 12.2 percent. The Russell 2000 shows the strongest annual gain at 16.5 percent, or 409.04 points.

Market Data Source Verification

These figures align with reports from GN auto markets/indices: stock index. The data reflects closing prices for Thursday, September 10, 2026. Traders are assessing the durability of these gains against backdrop of geopolitical tension.

Based on reporting by GN auto markets/indices: stock index, compiled by the Tradingbird desk.

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