US producers raised prices at the fastest pace in more than three years last month, stoking concerns about higher prices for consumers.

Prices were 2.7% higher last month compared with a year ago, and core inflation went up at a higher pace than what was seen in June

CPI was projected to increase 0.2% in July and 2.8% for a year ago on headline, and 0.3% and 3% on core

Prices on goods affected by tariffs saw biggest surges while prices less contingent on foreign imports saw decreases.

The producer price index was expected to a show a 0.2% increase for July, according to the Dow Jones consensus estimate.

The numbers were much higher than economists had expected.

The producer price index — which measures inflation before it hits consumers — was up 0.9% last month from June and 3.3% from a year earlier, much higher than expected.

The threat of inflation to the U.S. economy may be looming after a Bureau of Labor Statistics report Thursday showed a jump in wholesale prices.

US producers raised prices at the fastest pace in more than three years last month, stoking concerns about higher prices for consumers.