US services flashed back to acceleration—turning the September Fed-cut bet into a growth-versus-inflation tug-of-war

The August S&P Global flash survey lands a clean macro message: US services are accelerating business activity sharply while manufacturing remains soft.

The headline flash indicators were: Flash US Services PMI Business Activity Index at 56.8 (July 54.6, 20-month high), Flash US Manufacturing PMI at 53.2 (July 53.9, 5-month low), and Flash US Composite PMI Output Index at 56.0 (July 54.5, 52-month high).

For investors, this is more than a “services good” headline. When the composite output index is buoyed by services but manufacturing remains weak, the economy can keep growing without giving the Fed a clear disinflationary excuse from the goods side.

The Fed’s rate-cut path depends on whether inflation pressures are sustainably rolling over—not whether activity is slowing. The flash PMI message is a mix on that front.

S&P Global’s August flash release commentary said price pressures moderated: average input costs rose at the slowest pace since February, and selling price inflation for goods and services rose at the slowest rate since last November—with services specifically described as cooling to a ten-month low pace. That would normally help the cut case.

But the same release also emphasized that price pressures remain influenced by elevated energy/inputs (input-cost inflation remained “elevated” due mainly to high energy prices).

The key policy implication is asymmetry. If services activity accelerates while disinflation is only “slower,” the Fed can get trapped between a growth-supporting economy and a services-heavy inflation profile that takes longer to normalize.

Even if near-term inflation readings soften, the Fed pays attention to expectation formation—because it determines how fast inflation can fall without demand collapsing.

In the Philadelphia Fed’s Price and Inflation Expectations Survey (PIES) for 2026 Q1, the mean one-year-ahead U.S. inflation expectations were 3.6%, with the median at 3.0%.

When services business activity re-accelerates to a 20-month high, it can support wage and pricing behavior in the services economy. And when expectations are still above the long-run “comfort zone” for a meaningful share of respondents (especially in the mean), the Fed has less incentive to cut quickly on growth alone.

Fed minutes can be hawkish in ways markets often underestimate: not just by discussing inflation, but by mapping how the policy path depends on continued evidence.

In the Federal Reserve’s FOMC minutes released for May 2026 (covering the April 29, 2026 meeting), the document described inflation as having “moved higher” led by energy, and it also noted that participants judged core inflation as still above 2%. The same minutes also captured that expectations for rate cuts were seen as arriving in the third or fourth quarter of 2026 (and first quarter of 2027), not immediately.

Put simply: a September cut is easiest when both (1) activity is slowing and (2) services inflation is clearly rolling over. This flash PMI is a reminder that (1) may not be true—at least not yet.

This is the growth-versus-inflation divergence trade in action: activity can be strong enough to support earnings, yet not strong enough to guarantee disinflation fast enough to accelerate cuts.

Going forward, the most decision-relevant question is whether the PMI’s easing in price-setting becomes sustained in the services economy.

The flash release said selling prices rose at the slowest rate since last November (services described as cooling to a ten-month-low pace) and input costs rose at the slowest pace since February. That’s constructive.

But the same narrative emphasized that inflation pressures are still influenced by energy and remain “elevated.” If energy stabilizes at higher levels or cost pass-through resumes, the Fed’s services inflation concern returns—especially when services activity is simultaneously picking up.