美国4月PPI年率 2.4%，预期2.5%，前值由2.70%修正为3.4%。

Core Insights - The U.S. Producer Price Index (PPI) year-on-year rate for April is reported at 2.4%, slightly below the expected rate of 2.5% [1] - The previous value was revised from 2.70% to 3.4%, indicating a significant adjustment in inflation expectations [1] Summary by Category - PPI Data - April PPI year-on-year rate stands at 2.4% [1] - Expected PPI was 2.5%, showing a minor deviation from forecasts [1] - Previous PPI value revised from 2.70% to 3.4%, reflecting a notable change in inflation metrics [1]