U.S. Producer Price Index (PPI) data for April sparks market turbulence: a month-on-month surge of 1.4%, a year-on-year jump of 6%, both far exceeding expectations and marking the largest increase since 2022. This signals a strong rebound in production-side inflation.

The surge is driven by a "dual engine" approach:

- Energy shock: Due to geopolitical conflicts, energy prices soared by 7.8%, with gasoline prices jumping 15.6% in a single month, accounting for over 70% of the commodity price increase.
- Service diffusion: Service prices rose 1.2% month-on-month (the largest in four years), with trade services up 2.7%, indicating that cost pressures are spreading from energy to the entire supply chain, demonstrating deep-rooted inflation persistence.

The impact directly targets Federal Reserve policies:

As a leading indicator of CPI, PPI suggests that downstream consumer inflation will face greater upward pressure. After the data was released, U.S. Treasury yields spiked, and market expectations for a rate cut by the Fed this year nearly vanished. Boston Fed President even stated that if pressures do not ease, "another rate hike cannot be ruled out."

Overall, the PPI surge confirms the stubbornness and broad nature of inflation. Before price pressures truly ease, the Fed is likely to maintain high interest rates for a longer period, with the door to rate cuts substantially closed.