US consumer prices saw a significant surge last month, primarily driven by escalating energy costs amid the ongoing 10-week conflict with Iran.
The Labor Department reported Tuesday that its consumer price index climbed 3.8% from April 2025.
On a monthly basis, prices in April rose 0.6% from March, with gasoline prices alone jumping 5.4%.
However, when volatile food and energy costs are excluded, so-called core consumer prices showed a more modest increase of 0.4% from March and 2.8% from April 2025.
This suggests that the sharp rise in energy prices has not yet broadly impacted other sectors of the economy.
Inflation had been on a downward trend since its peak of 9.1% year-over-year in June 2022, a surge attributed to supply chain disruptions post-COVID-19 lockdowns and an energy shock following Russia's invasion of Ukraine. Despite the decline, inflation consistently remained above the Federal Reserve’s 2% target.
The current inflationary pressure intensified after the United States and Israel attacked Iran on February 28.
Tehran responded by closing access to the Strait of Hormuz, a critical waterway through which a fifth of the world's oil and liquefied natural gas passes, causing energy prices to skyrocket.
The Federal Reserve, which had been anticipated to cut its benchmark interest rates in 2026, has adopted a cautious stance.
Policymakers are now waiting to assess the duration of the conflict and whether higher energy prices will spill over into other goods and services, potentially triggering a broader inflationary outbreak.
President Donald Trump has openly criticized the Fed and its outgoing chair, Jerome Powell, for their refusal to lower rates to stimulate the economy.
Kevin Warsh, President Trump’s chosen successor for Powell, is expected to be confirmed by the Senate this week.
However, it remains uncertain whether Warsh would pursue lower rates given the economic instability caused by the war, or if he could garner support from his colleagues on the Fed’s rate-setting committee.
Americans are currently facing a squeeze, with gasoline prices exceeding $4.50 per gallon.
Businesses are also feeling the strain; Whirlpool, the manufacturer of KitchenAid and Maytag appliances, reported a nearly 10% drop in revenue last quarter, attributing it to a "recession-level industry decline" caused by the war, which has undermined consumer confidence.
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