# US Business Growth Surges to Fastest Rate Since Post-COVID

> S&P Global reports US business activity grew at fastest pace in five years, driven by service and manufacturing expansion.
- Title: US Business Growth Surges to Fastest Rate Since Post-COVID
- Summary: S&P Global reports US business activity grew at fastest pace in five years, driven by service and manufacturing expansion. US business activity expanded at…
- Keywords: s&p global, us business growth, service sector, manufacturing output, pmi composite index, economic expansion, business, finance, Growth, Surges, Fastest, Rate
- Source: Pymnts — https://pymnts.com/economy/2026/sp-global-data-shows-fastest-us-business-growth-since-post-covid-reopening
- Author: PYMNTS
- Published: 2026-09-23T20:58:32+00:00
- Read time: 1 min
- Topics: s&p global, us business growth, service sector, manufacturing output, pmi composite index, economic expansion, business, finance
## US Business Growth
U.S. business activity grew fastest in five years in September.
## PMI Composite Index
The index rose from 56.0 to 58.4, marking fourth consecutive month of acceleration.
## Service Sector Surge
Service sector output rose at steepest rate in over five years.
## Manufacturing Boost
Manufacturing output accelerated fastest since April 2022.
## New Orders Rise
Service new orders reached highest pace since March 2022.
## Economist Insight
Chris Williamson says growth is greatest since early 2015 without post-covid spike.
## Key takeaway

US business activity expanded at the fastest rate since July 2021, with service sector output rising at the steepest pace in over five years.