- US equities fell Monday as a fresh exchange of strikes between the US and Iran reignited Middle East supply fears, sending crude oil prices sharply higher.
- The S&P 500 dropped roughly 0.8%, with interest-rate sensitive utilities leading the decline, while energy stocks posted the session’s only major gains.
- Brent crude jumped above $92 per barrel, its highest level in over a year, as traders priced in a rising risk of supply disruption from the Strait of Hormuz.
- Defensive sectors like utilities and real estate fell more than 1.5% each, as higher oil-driven inflation expectations pushed Treasury yields up across the curve.
- Energy majors including Exxon Mobil and Chevron each rose more than 2%, while the broader energy sector gained nearly 3% on the day.
Oil Spike Hits Rate-Sensitive Stocks Hardest
Wall Street’s main indexes closed lower on Monday, snapping a three-day winning streak, after the US and Iran engaged in direct military strikes for the first time in roughly a month. The escalation, which began over the weekend, immediately repriced global risk assets, with the S&P 500 falling 0.8% to 5,410.22. The Nasdaq Composite slipped 0.6%, while the Dow Jones Industrial Average shed about 250 points, or 0.7%.
The selling was most pronounced in sectors most vulnerable to higher borrowing costs. Utilities, a classic bond proxy, tumbled 2.1% as the 10-year Treasury yield climbed 12 basis points to 4.38%. Real estate and consumer staples each fell more than 1.5%. “The market is caught between two forces: an oil shock that threatens inflation and a Fed that has repeatedly said it will not cut rates until price pressures are convincingly subdued,” said a senior equity strategist at a major US bank, speaking on condition of anonymity.
Energy Stocks Surge as Crude Breaks $92
The rally in oil was driven by the immediate risk of supply disruption. The strikes targeted military installations near Iran’s Kharg Island oil terminal, a facility that handles roughly 90% of Iranian crude exports. While initial reports indicated no direct hit on loading infrastructure, traders moved quickly to price in a worst-case scenario. “The market is paying a risk premium for the possibility that the Strait of Hormuz becomes a contested zone,” said an energy analyst at a New York-based brokerage. “Even a temporary closure would remove about 20 million barrels per day from global supply, which is roughly 20% of consumption.”
Broader Market Implications and Fed Calculus
The oil spike complicates the Federal Reserve’s policy path. Just last week, Fed Chair Jerome Powell reiterated that the central bank is “not in a hurry” to cut rates, citing a resilient labor market and core inflation running at 2.8%. Monday’s move in crude adds a fresh upside risk to that outlook. Market-implied odds for a September rate cut fell to 58% from 68% a week ago, according to CME FedWatch data.
Beyond energy, the day’s winners were few. Gold rose 0.9% to $2,410 an ounce, as investors sought havens, while the US dollar index gained 0.3%. Airline stocks fell sharply, with the NYSE Arca Airline Index dropping 3.4% on fuel cost concerns. In corporate news, shares of defense contractors like Lockheed Martin and Northrop Grumman each rose more than 1.5% on expectations of increased military spending.
Looking ahead, traders will closely monitor any further escalation, particularly any move by Iran to disrupt shipping in the Strait of Hormuz. The US Navy has already repositioned two carrier strike groups to the region, according to a Pentagon statement. “This is a fluid situation, and the market is likely to remain volatile until there is clarity on whether this is a one-off exchange or the start of a broader conflict,” the energy analyst added. For now, the path of least resistance for equities appears lower, with the S&P 500’s next support level seen near 5,350.
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