Wholesale price inflation in the United States surged 6.2 percent in April compared to the same month in 2020, the highest on record, the Labor Department said Thursday. Excluding volatile food and energy products, the Producer Price Index (PPI) rose 4.2 percent over the latest 12 months, also the largest on record. PPI rose 0.6 percent compared to March, double the consensus forecast, the report said. hs/cs