(Bloomberg) -- A measure of activity at U.S. service providers and manufacturers in September grew at the slowest pace in a year, restrained by nagging supply-chain and labor challenges as well as the delta variant. Most Read from BloombergSchool Reopenings Falter as U.S. Kids Near 1 Million Covid CasesIstanbul Turns Taps on Old Fountains, Joining Global Push for Free DrinksIn Paris, the Wrapped Arc de Triomphe Is a Polarizing PackageHow the Child Care Crisis Became a Global Economic FiascoBerli
Data firm IHS Markit said on Thursday its flash U.S. Composite PMI Output Index, which tracks the manufacturing and services sectors, fell to 54.5 this month. A reading above 50 indicates growth in the private sector. There had been optimism that the supply chains would adjust soon, but the Delta variant of the coronavirus has worsened the scarcity of some raw materials, produced primarily in Southeast Asia.