US inflation surged to 3.8% in April, the highest since May 2023, driven by soaring energy costs linked to the Iran war. The Bureau of Labor Statistics reported energy prices alone accounted for nearly half the increase, with gasoline averaging $4.50 per gallon—its peak since July 2022. Grocery and housing costs further fueled the rise, pushing consumer prices to levels unseen in three years.

The Federal Reserve faces mounting pressure as inflation erodes its rate-cutting flexibility. Investment manager Isaac Stell warned the central bank has "little room for maneuver," noting incoming chair Kevin Warsh—a Trump appointee—may adopt a stricter stance. This complicates President Trump’s election-year pledge to curb inflation, with Republicans now confronting a pivotal choice between economic stability and political optics ahead of November’s midterms.

Wage growth stalled for the first time in three years, with average paychecks rising just 3.6% compared to 3.8% inflation. This erosion of real incomes has triggered a stock market sell-off, with the S&P 500 and Dow Jones plunging 0.6% and 0.7%, respectively. Analysts warn prolonged stagflation risks could deepen if energy prices remain volatile.

The crisis underscores how geopolitical tensions directly destabilize domestic economies. With the Strait of Hormuz blockade disrupting global oil flows, the ripple effects on fuel prices, consumer spending, and monetary policy highlight the interconnectedness of warfare and macroeconomic management. Central banks and policymakers now face an unprecedented balancing act.