U.S. producer prices surged in May at the fastest rate since November 2022, driven largely by a sharp increase in energy costs following the outbreak of conflict in Iran. The Labor Department reported Thursday that the Producer Price Index (PPI), which measures inflation at the wholesale level before it reaches consumers, rose 6.5 percent compared to May 2024. On a month-to-month basis, the index increased 1.1 percent from April, matching the rate recorded the previous month.

The rise was primarily fueled by wholesale gasoline prices, which jumped more than 23 percent from April to May and nearly 70 percent compared to the same period last year. This surge reflects volatility in the energy markets after hostilities began in Iran, contributing significantly to inflationary pressures across the economy.

The spike in producer prices comes at a sensitive time politically, with midterm elections scheduled in five months that will decide whether Republicans maintain full control of Congress. Rising inflation remains a key concern for many Americans, as elevated energy costs translate into higher prices for consumers.

While gas prices have shown some decline in recent days, the average price per gallon of regular gasoline has remained above $4 since March, according to the American Automobile Association. The persistence of high energy costs continues to weigh on overall inflation trends and consumer sentiment.

The latest PPI data underscore the challenges faced by policymakers in managing inflation amid external shocks to the global energy supply. Economists and market watchers will be closely monitoring these trends in the coming months as they assess the potential impact on economic growth and the Federal Reserve’s monetary policy approach.