
OECD warns the Iran war could push U.S. inflation as high as 4.2% this year and slow U.S. GDP growth to 2.0% this year, dropping further to 1.7% in 2027. Closure of the Strait of Hormuz has triggered a global fuel crisis and soaring U.S. gas prices; the OECD says prolonged higher energy costs will add to business costs, raise consumer inflation and weigh on global growth (global GDP projected 3.3% in 2025 → 2.9% in 2026 → 3.0% next year).
A sustained energy-price shock mechanically raises headline and then core inflation through higher transportation and intermediate goods costs; expect sequential CPI passthrough to show up in PPI and core services inflation over the next 3–6 months, pressuring margins for retailers and non-commodity manufacturers. The Fed’s reaction function will be decisive — if real yields ratchet higher in response to sticky core inflation, long-duration equities and growth multiple stocks are the most immediate victims while financials and commodity producers benefit from higher nominal rates. Second-order winners include midstream operators, tanker owners, and firms with near-term pricing power or pass-through contracts (pipeline MLPs, tolling refineries); losers extend beyond airlines and malls to just-in-time manufacturers and EM importers who will see FX and external financing stress. Shipping and rerouting costs create durable freight-rate inflation that bites industrial supply chains within 1–2 quarters, increasing working capital needs and widening credit spreads for leveraged corporates. Key catalysts to watch are supply-side fixes (large coordinated SPR releases / OPEC policy shifts) or demand shocks (China growth swing) that can reverse prices within weeks; absent those, elevated energy costs translate into weaker real growth over 6–18 months and raise recession odds. Near-term market signals to monitor: sustained moves in Brent/WTI beyond current ranges, 3-month rolling core CPI prints >0.3% month-on-month, and a 25–50bp shift in Fed dot projections — any combination should trigger rebalancing of duration and commodities exposure.
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strongly negative
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