Inflation Just Hit Its Highest Level Since 2023. The Market Has Bigger Things on Its Mind.
May PCE was hot enough to keep a Fed hike on the table β but not hot enough to stop traders from chasing Micron's AI-fueled rally.

Thursday morning gave investors two very different messages.
The inflation report said the Fed still has a problem. May PCE rose 4.1% from a year ago, the highest reading since April 2023, while core inflation climbed to 3.4%. Then Micron reminded everyone why they still want to own AI stocks. The memory-chip maker's blowout earnings sent chip shares surging before the open, turning what could have been an inflation scare into another tug-of-war between higher-rate risk and AI enthusiasm.
The market can ignore inflation for a morning when AI earnings are this strong. But PCE just made the Fed's next decision harder β and possibly more hawkish.
What the inflation data actually says
The headline number is real and meaningful: 4.1% year-over-year is the highest PCE reading since April 2023. The monthly gain came in at 0.4% β one tenth below the 0.5% forecast, which is the one mildly softer detail in an otherwise firm report. Markets noticed: futures actually rose after the release, suggesting traders read the print as "hot, but not worse than feared."
Core PCE, which strips out food and energy and is the number the Fed watches most closely, climbed to 3.4% year-over-year, the highest since October 2023. That points to price pressure well beyond energy β services inflation, housing-related costs, insurance, and healthcare are all still running hotter than the Fed's 2% target. Those categories do not automatically cool when oil prices fall, which is the complication that makes the Fed's job difficult even as the Iran ceasefire pulls crude lower.
Consumer spending rose 0.7% for the month, beating estimates. Americans are still spending even as prices run hot β and that resilience is exactly what gives the Fed less reason to wait.
The rest of the data did not help the doves
The final Q1 GDP estimate was revised up to 2.1%, from 1.6% previously. But the details were less clean: the upgrade was largely helped by a smaller drag from imports, while underlying private demand and consumer spending looked softer than the headline suggested.
Initial jobless claims fell to 215,000, below expectations, reinforcing the view that the labor market is still resilient. A tight labor market alongside firm inflation gives the Fed less cover for staying on hold.
Taken together, Thursday's data keeps a September rate hike firmly on the table. It does not force the Fed's hand, but it gives the hawks more evidence that inflation is too sticky and demand too resilient to declare victory.
The tug-of-war
That is the honest tension in markets this morning. Micron's blowout earnings validated the AI infrastructure boom and sent chip stocks surging globally β SK Hynix is up more than 10% in Seoul, European chip names are rallying, and the Nasdaq is pointing sharply higher. When the most important AI-memory company reports numbers that dwarf expectations, investors are reminded why they were bullish in the first place.
But the two stories are not as incompatible as they might seem. An economy strong enough to sustain AI infrastructure spending at historic levels is also strong enough to sustain elevated inflation. The Fed's job is to slow one without breaking the other. Thursday's data suggests that task just got harder.
For beginner investors
If this morning's data feels confusing, here is the plain-English version.
Good news: Micron's blowout proves AI demand is real and still growing. That is genuinely positive for technology stocks.
Complicated news: Inflation is at its highest level in three years, consumers are still spending, and the labor market remains tight. That combination makes interest rate cuts less likely and rate hikes more likely β which creates a medium-term headwind for stocks, even if the market is choosing to focus on AI today.
Both things can be true at once. The question is which one markets decide to weight more heavily over the coming weeks.
What to watch
- Fed speakers this week: Waller, Williams, and Goolsbee are all scheduled to speak. After a PCE print at 4.1%, listen for any signals on whether September is a live meeting or whether the committee emphasizes patience.
- Oil prices: Brent crude falling toward $73 is the one meaningful disinflationary force right now. If oil keeps declining, June and July PCE readings could show meaningful headline relief β giving the Fed cover to hold even as core remains sticky.
- Market breadth today: If the Micron-fueled rally broadens into the full S&P 500 and holds through the afternoon, investors are choosing AI fundamentals over inflation risk. If gains fade by midday, the PCE data is landing harder than the open implied.
The bottom line
May PCE at 4.1% is the highest inflation reading in more than three years, and the rest of Thursday's data β GDP, claims, consumer spending β painted a picture of an economy that is still running too hot for the Fed to stand aside comfortably. The Micron narrative is about what AI demand looks like right now. The PCE narrative is about what interest rates are going to do over the next six months. Both are real. The market is celebrating the first one this morning β but eventually has to reckon with the second.
Sources
- CNBC, PCE inflation report May 2026: https://www.cnbc.com/2026/06/25/pce-inflation-report-may-2026-.html
- Investopedia, The Fed's Favorite Inflation Gauge Rose to a Fresh Three-Year High: https://www.investopedia.com/pce-inflation-report-may-12006400
- MarketWatch, US stock futures rise after PCE data and jobless claims: https://www.marketwatch.com/livecoverage/stock-market-today-dow-s-p-500-nasdaq-micron-earnings-results-pce-inflation-data/card/u-s-stock-futures-rise-after-pce-inflation-data-and-jobless-claims-report-s3ZubUVLN95dqZ8aeGuB
- Reuters, Global chip stocks surge as blowout Micron results reignite AI rally: https://www.reuters.com/world/asia-pacific/south-korean-chip-shares-rally-after-microns-upbeat-earnings-2026-06-25/
- Wall Street Journal, GDP growth revised higher for first quarter: https://www.wsj.com/livecoverage/stock-market-today-dow-sp-500-nasdaq-06-25-2026/card/gdp-growth-revised-higher-for-first-quarter-EibCGBbI95oSV2nArIkj
- BEA, Personal Consumption Expenditures Price Index: https://www.bea.gov/data/personal-consumption-expenditures-price-index
- TheStreet, Stock Market Today June 25 2026: https://www.thestreet.com/stock-market-today/stock-market-today-dow-jones-sp-500-nasdaq-updates-june-25-2026