Manufacturing expansion cools as orders weaken in August
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US manufacturers entered the closing stretch of summer with production lines still operating at a solid pace, although the latest factory data point to a more complicated period ahead as demand growth slows and cost pressures remain elevated.
The Institute for Supply Management’s Manufacturing PMI registered 54.6 in August, down from 55.6 in July. A reading above 50 signals expansion, meaning the manufacturing sector continued to grow for an eighth consecutive month, but the decline becomes more significant when viewed alongside the individual components that make up the headline figure.
New orders lost momentum, employment growth cooled and order backlogs expanded at a slower rate, while supplier delivery times lengthened again. At the same time, manufacturers continued to report substantial price pressure across metals, electronic components, freight and other industrial inputs, creating a mixed operating environment for companies trying to plan production and purchasing decisions.
For executives managing factories, procurement networks and industrial supply chains, August presents a more nuanced picture than the headline PMI alone suggests. Demand has not collapsed and production remains relatively strong, but the widening difference between current output and several indicators associated with future activity warrants closer attention.
Production remains strong as the pipeline of new work cools
The clearest divide in the August survey lies between what factories are producing today and what customers are ordering for the months ahead, with production remaining resilient even as the pace of incoming business moderates.
ISM’s Production Index came in at 58.3, barely changed from 58.5 in July, pointing to a manufacturing base that continues to operate at a healthy pace. The New Orders Index moved in the opposite direction, falling 3 percentage points to 53.7 from 56.7 and indicating that the rate of demand growth has slowed even though orders remain in expansion territory.
New orders have now expanded for eight consecutive months, but the recent movement gives manufacturers reason to examine whether the strength seen earlier in the summer can be maintained through the remainder of the year.
Backlogs reinforce that interpretation, with the Backlog of Orders Index falling to 51.8 from 55.0 while imports declined to 52.5 from 55.7. Neither measure entered contraction, but both lost momentum at a time when manufacturers are balancing production commitments against uncertainty over the future flow of demand.
The distinction matters for companies making decisions about production schedules, inventory purchases and capital spending because output can remain elevated for a period after demand begins cooling, particularly when manufacturers are still working through existing orders. If new business were to weaken for several consecutive months, sustaining current production rates would become progressively more difficult.
The available evidence does not support describing the sector as being close to contraction. August marked the eighth consecutive month of manufacturing growth after a period in which the PMI had spent four months below 50 at the end of 2025, while July’s reading of 55.6 was the strongest of the previous 12 months and provided a high base for comparison.
The breadth of expansion offers another reason to avoid reading too much into a single monthly decline, particularly as export orders continued to grow and the New Export Orders Index edged up to 53.2 from 53.0.
For industrial companies, the more relevant question is whether the decline in new orders represents a temporary cooling after a strong summer or the beginning of a more persistent weakening in demand, making the next set of monthly data more important than the August headline alone.
Rising input costs complicate an otherwise healthy expansion
Demand represents only one part of the challenge facing manufacturers, because persistent input cost pressure continues to complicate an expansion that otherwise remains relatively healthy.
ISM’s Prices Index registered 71.1 in August, unchanged from July, extending a run in which manufacturers have reported rising prices for 23 consecutive months and reinforcing concerns that cost conditions remain difficult even as parts of the demand picture begin to soften.
Purchasing managers reported increases across a broad group of industrial inputs, including aluminum, copper, electrical and electronic components, freight, memory components, printed circuit boards, semiconductors and several categories of steel.
Those increases are particularly relevant for manufacturers operating on narrow margins or under contracts that limit how quickly higher input costs can be passed on to customers. A company can maintain a healthy order book and continue running factories at high utilization while still experiencing pressure on profitability if materials, transportation and component costs rise faster than selling prices.
Supplier conditions add further complexity because delivery performance deteriorated again during August, with the Supplier Deliveries Index increasing to 59.3 from 58.9. Under the ISM methodology, a reading above 50 indicates slower deliveries, meaning August marked a ninth consecutive month in which supplier performance lengthened rather than improved.
Longer lead times do not necessarily signal severe disruption because stronger demand can stretch available capacity and extend delivery schedules. When slower deliveries occur alongside elevated prices and reported shortages in selected materials, however, the combination suggests that procurement teams are still operating in an environment where supply availability cannot be taken for granted.
For supply-chain executives, this creates a more difficult operating calculation than simply deciding whether to build inventory against anticipated demand. Companies must weigh the cost of carrying additional stock against the risk that higher prices, longer lead times or shortages leave factories without the materials needed to maintain production schedules.
The manufacturing inventory index stood at 50.6 in August, placing it only slightly inside expansion territory, while customers’ inventories remained low at 42.8. Low customer inventories can support future orders if buyers need to replenish stocks, but they do not guarantee that restocking will happen at the same pace seen earlier in the year.
This combination places greater importance on accurate demand forecasting, supplier visibility and disciplined inventory management, particularly for manufacturers that rely on complex supply networks or components with long replenishment cycles.
Orders and hiring will show whether the slowdown has staying power
Employment provides another useful indication of how manufacturers are assessing future demand because staffing decisions often reflect expectations beyond the immediate production schedule.
ISM’s Employment Index fell to 51.2 in August from 52.8 in July, which still indicates hiring growth but at a more modest pace. For management teams, changes in employment can carry greater significance than short-term movements in production because adding permanent labor represents a longer commitment than increasing utilization or running additional shifts.
The wider US economy provides some support for manufacturers, with ISM’s Services PMI rising to 55.4 in August from 54.1 in July and new orders in services climbing to 60.9 from 57.2. That divergence suggests that the moderation in manufacturing is not occurring alongside a comparable weakening across the much larger services side of the economy.
Federal Reserve industrial production figures provide another useful measure of factory conditions, although official output data arrive with a lag compared with purchasing manager surveys. That timing gives PMI indicators particular value for executives and analysts because they can provide an earlier reading of changes occurring inside factories and supply networks before those shifts become fully visible in government statistics.
The September data will provide a more meaningful test of whether the slowdown is becoming established, especially if new orders, employment and backlogs continue moving in the same direction.
A renewed rise in new orders accompanied by stable production would suggest that August represented a moderation within an established expansion. A further decline in orders, employment and backlogs would carry a different implication, particularly if input prices and supplier delivery times remain elevated.
For industrial leaders, the operating margin between growth and risk has therefore become narrower. Factories are not facing a collapse in activity, but they are operating in an expansion where demand is becoming less uniform, hiring growth is slowing and input costs remain difficult to manage.
The headline PMI continues to indicate growth, while the components beneath it suggest that manufacturers will need to pay closer attention to the quality and durability of that growth as they plan for the months ahead.
Source:
The Wall Street Journal
