Just as markets became comfortable with disinflation and gradual rate cuts, the inflation debate changed again. The immediate pressure is no longer a repeat of the post-pandemic goods shock. It is a combination of sticky domestic services, wages and housing costs with renewed energy risk from the Middle East.
That combination matters because it can weaken growth while limiting central banks’ freedom to cut rates.
The UK pause
The Bank of England held Bank Rate at 3.75% on July 30. UK inflation had fallen to 2.6%, below the Bank’s earlier expectation but still above its 2% target. Policymakers warned that volatile energy prices could lift inflation again later in the year and feed into other prices.
The decision does not show that inflation was accelerating everywhere or that an aggressive path toward 3% had been formally promised. It shows that the next move depends on whether energy and domestic price pressures prove temporary.
The US services problem
In the United States, the final stage of disinflation remains difficult because shelter and labour-intensive services adjust slowly. Wage growth can support household spending, but when productivity does not keep pace it can also sustain service prices.
The Federal Reserve therefore has to distinguish between a temporary energy shock and broader inflation persistence. Markets may reprice the expected path of policy rates long before the central bank changes its target range.
The yield squeeze
When investors expect rates to remain higher for longer, bond yields can rise and bond prices fall. Higher government-bond yields also increase the discount rate applied to future corporate earnings, putting pressure on expensive equities.
That is the uncomfortable inflation-shock configuration: stocks and longer-duration bonds decline together. It differs from a conventional growth scare, when government bonds often rally as equities weaken.
The UK equity effect is not one-dimensional. Higher financing costs can pressure domestic companies, property and consumer demand, while internationally diversified FTSE businesses may receive support from energy exposure, overseas earnings or currency moves.
Is the 60/40 portfolio broken?
A traditional portfolio of 60% equities and 40% bonds is vulnerable when inflation drives positive stock-bond correlation. That does not make the structure permanently obsolete.
Government bonds can regain defensive value during disinflationary recessions, and today’s higher starting yields provide more income than the near-zero-rate era. Maturity, credit quality and inflation sensitivity matter as much as the headline bond allocation.
Commodities may respond positively to an energy-led shock, but they are volatile and do not produce contractual income. Dividend-paying defensive shares can reduce some earnings cyclicality, yet they remain equities and can fall when yields rise or valuations compress.
The portfolio implication
The practical response is to understand which inflation scenario a portfolio can withstand. Shorter-duration bonds reduce rate sensitivity; inflation-linked securities change the nature of real-rate exposure; commodities add supply-shock sensitivity; and cash offers stability at the cost of long-term return potential.
None is a universal replacement for diversified equities and bonds. Each hedge has a price, a failure mode and a different tax or currency consequence.
The inflation ghost has returned as a risk, not yet as proof of a new uncontrolled cycle. The decisive questions are whether energy disruption persists, whether service inflation keeps easing and whether wage growth remains compatible with productivity. Until those answers become clearer, both equity and bond markets may remain unusually sensitive to each inflation release.