Inflation Pressures and the Global “Cost‑of‑Living” Squeeze: What Investors Should Watch This Week
By Jordan Miller, Senior Economics Correspondent – Business Day TV
The conversation around inflation has moved from abstract economic theory to a daily reality for households in Johannesburg, New York, Lagos and beyond. Rising prices for food, energy and housing are prompting central banks to reassess policy stances, while investors scramble to interpret the latest data releases that could sway market direction.
Key Data Releases on the Calendar
- U.S. Personal Consumption Expenditures (PCE) Price Index – the Federal Reserve’s preferred inflation gauge, due . Analysts expect a year‑over‑year reading of 2.8 %, up from 2.6 % in August[1].
- Global PMI (Manufacturing & Services) – flash estimates from S&P Global for September, released . The composite index hovered at 49.2 in August, signalling a slight contraction[2].
- U.S. GDP (Q3 2025) – second estimate – the Bureau of Economic Analysis will publish the revised figure on . The advance estimate showed 2.1 % annualised growth; economists anticipate a modest upward revision to 2.3 % after inventory adjustments[3].
What the Numbers Mean for Markets
The PCE index is closely watched because the Federal Reserve frames its policy decisions around achieving a 2 % inflation target. A reading above 2.8 % would reinforce expectations that the Fed may hold rates steady—or even consider a modest hike—at its upcoming meeting in early October. Conversely, a dip toward 2.5 % could fuel speculation of a rate cut later in the year.
Global PMI readings provide a pulse check on manufacturing and services activity across major economies. A sub‑50 composite suggests that demand is weakening, which could ease inflationary pressures but also raise concerns about corporate earnings. The services component, which remains above 50 in the U.S. and Eurozone, indicates that consumer spending is still resilient despite higher prices.
The GDP revision will help clarify whether the U.S. economy is maintaining momentum after a volatile first half of 2025. A stronger‑than‑expected revision would support risk‑on assets, while a downward shift could prompt investors to shift toward defensive sectors such as utilities and consumer staples.
Expert Perspective: Kevin Lings on the Week Ahead
Business Day TV spoke with Kevin Lings, Chief Economist at Stanlib, about the interplay of these indicators.
“The PCE number will be the market’s North Star this week. If it comes in hot, we’ll likely see a repricing of Treasury yields and a stronger dollar, which could put pressure on emerging‑market currencies already grappling with imported inflation. The PMI data, meanwhile, will tell us whether the slowdown is broad‑based or confined to specific sectors. A divergence—strong services but weak manufacturing—could lead to a mixed equity outlook, favouring companies with pricing power in consumer‑facing industries.”
— Kevin Lings, Chief Economist, Stanlib
Lings also highlighted the importance of watching wage growth data, which is set to be released alongside the PCE report. He noted that persistent wage‑price spirals could keep inflation sticky, limiting the Fed’s flexibility.
Practical Takeaways for Investors
- Monitor the PCE release – a surprise above 3 % could trigger a short‑term sell‑off in growth stocks; consider tightening stop‑loss levels on high‑beta positions.
- Watch the PMI divergence – if services remain robust while manufacturing contracts, sectors like technology, healthcare and consumer discretionary may outperform industrials.
- GDP revision as a sentiment gauge** – a stronger revision could revive optimism about a “soft landing”; a weaker figure may reinforce calls for fiscal stimulus or defensive allocation.
- Stay attuned to emerging‑market exposure** – higher U.S. rates and a stronger dollar often exacerbate balance‑sheet stresses in countries with dollar‑denominated debt; consider hedging currency risk where appropriate.
Conclusion
This week’s data slate offers a concise snapshot of where inflation, growth and global demand intersect. By interpreting the PCE, PMI and GDP figures through the lens of expert insight—such as that provided by Kevin Lings—investors can better navigate the evolving cost‑of‑living landscape and position their portfolios for both risks and opportunities.
References
- Federal Reserve. “Personal Consumption Expenditures Price Index.” Accessed September 24, 2025. https://www.federalreserve.gov/releases/h6/current/default.htm
- S&P Global. “Flash Global PMI – September 2025.” Accessed September 24, 2025. https://www.spglobal.com/marketintelligence/en/news-insights/latest-news-headlines/global-pmi-september-2025-flash
- U.S. Bureau of Economic Analysis. “Gross Domestic Product, Third Quarter 2025 (Advance Estimate).” Accessed September 24, 2025. https://www.bea.gov/news/2025/gross-domestic-product-q3-2025-advance
