US ISM Services Misses as Prices Jump to 2022 High, Jobs Contract on Iran Oil Shock.US ISM Services PMI slowed in March, but the bigger signal came from inflation, with prices surging to the highest level since 2022 as the Iran-driven oil shock feeds through the economy. The headline index fell from 56.1 to 54.0, missing expectations of 55.0, pointing to moderating growth even as cost pressures intensify.