Dow falls 400 pts as oil prices surge and Fed rate hike bets rise

• West Texas Intermediate crude jumped 5.2% to $90.22 per barrel and Brent rose 4.6% to $94.65 after US strikes on Iranian targets and attacks on tankers in the Strait of Hormuz
• Markets now price in a 68% chance of a 25-basis-point Fed rate hike at the September meeting, up sharply from 39.6% a week ago, as oil-driven inflation concerns intensify
• US 10-year Treasury yields reached their highest levels since January 2025, while Japan's 10-year yield hit levels not seen since August 1996, pressuring equities across all major indices

Market Summary: Dow Falls 400 Points on Oil Surge and Fed Hike Fears

Key Market Movements (September 1, 2026):

US equities declined sharply as geopolitical tensions and inflation concerns weighed on sentiment. The Dow Jones fell 419.02 points (-0.79%) to 52,766.88, the S&P 500 dropped 0.71% to 7,631.47, and the Nasdaq declined 1.03% to 26,099.77.

Oil Price Surge:

Crude prices spiked following renewed US military strikes against Iran's Islamic Revolutionary Guard Corps. West Texas Intermediate crude jumped 5.2% to $90.22/barrel, while Brent rose 4.6% to $94.65. Additional tensions emerged after an unidentified attack on a tanker in the Strait of Hormuz. Iran warned it could block Gulf oil exports, while the US signaled potential new sanctions.

Sector Performance:

Energy was the top-performing S&P 500 sector, benefiting from higher crude prices. Technology and transportation stocks lagged, with the Philadelphia Semiconductor Index constituents all closing lower.

Federal Reserve Implications:

Rising oil prices have intensified inflation concerns, pushing Fed rate hike probabilities higher. CME's FedWatch tool now shows a 68% chance of a 25-basis-point rate increase at the September meeting, up from 39.6% a week earlier.

Bond Market:

Global yields climbed significantly. The US 10-year Treasury yield reached its highest level since January 2025, Japan's 10-year yield hit levels not seen since August 1996, and Germany's benchmark yield reached 2011 highs.

Outlook:

Investors face seasonal headwinds as September historically records the weakest stock performance since 1926. Market focus turns to Friday's August nonfarm payrolls report for guidance on Fed policy direction amid elevated geopolitical and inflation risks.