News brief · Tuesday, August 18, 2026
Wall Street Slides Under Pressure from Oil Prices and Bond Yields
US equity indices closed lower, weighed down by rising crude prices amid US-Iran tensions and higher bond yields. This backdrop prompts futures traders to monitor sector rotation on ES and NQ contracts closely.
Reviewed by Tom · Trader & founder of OrderFlowFutures
Broad Decline Across Wall Street
- Indices pull back : US markets started the week lower. The S&P 500 fell 0.52% to 7,745.06 points, the Nasdaq Composite slipped 0.32% to 26,644.91 points, and the Dow Jones dropped 0.51% (-272.63 points) to 53,459.78 points.
- Tensions in oil and yields : Selling pressure was driven primarily by rising crude oil prices amid renewed tensions between the US and Iran, alongside another uptick in Treasury yields.
Sector Divergence: Tech Drags, Energy Outperforms
- Pressure on tech and discretionary : Technology and consumer discretionary sectors weighed heavily on the broader market. Within the Dow Jones, Microsoft dropped -3.04%, while Nike (-4.03%) and Walt Disney (-3.14%) registered the steepest declines of the session.
- Commodity support : Conversely, energy and materials stocks benefited from higher oil prices. Caterpillar led the Dow Jones higher at +2.93%, followed by Chevron (+1.35%) and Goldman Sachs (+1.14%).
Key Drivers to Watch Today
- Yields and geopolitics : The trajectory of bond yields and geopolitical developments between the US and Iran remain the central catalysts to watch, driving short-term volatility on ES and NQ futures contracts.
Brief compiled from the morning's news flow, AI-assisted and reviewed by the team. Not investment advice.
How did it actually trade? Check the session journal for the decoded order flow.