Embattled U.S. manufacturers show their mettle, grow for the fourth month in a row despite Iran war

American manufacturers grew in April for the fourth month in a row — the longest streak in four years — but an embryonic recovery faces fresh hurdles from rising oil prices and higher inflation tied to the Iran war.

​American manufacturers grew in April for the fourth month in a row — the longest streak in four years — but an embryonic recovery faces fresh hurdles from rising oil prices and higher inflation tied to the Iran war.