Key Inflation Gauge Hits 3-Year High as Mortgage Rates Climb
The Federal Reserve’s preferred inflation measure surged to a three-year high in May, while mortgage rates remained elevated near 6.5%, underscoring the persistent financial pressures facing American households as the economic fallout from the Iran war and an AI-driven chip shortage continues to ripple through the economy.
The Personal Consumption Expenditures (PCE) price index rose to 4.1% year-over-year in May — the highest reading since April 2023 — according to data released Thursday by the Commerce Department’s Bureau of Economic Analysis. On a monthly basis, inflation was 0.4%, matching April’s increase. Core PCE, which excludes volatile food and energy prices, rose 0.3% month-over-month and 3.4% annually, up from 3.3% in April.
Energy Shock and the Iran War
The inflation spike has been driven largely by surging energy costs linked to the ongoing conflict with Iran. The war disrupted shipping through the Strait of Hormuz, through which roughly a quarter of the world’s seaborne oil trade passes, sending the national average for regular gasoline as high as $4.56 a gallon in May. As AP News reported, rising costs “could pose political problems for President Donald Trump and his political party as midterm elections near.”
There are signs of relief, however. Gas prices have fallen for six consecutive weeks — down 14% from the May peak — after President Trump signed a tentative peace deal with Iran. The New York Post reported that the national average hit $3.93 a gallon Tuesday, a sharp drop from the peak. But analysts caution that prices could reverse course if fighting resumes, and experts say it could take months for gasoline to settle into the mid-$3 range.
Mortgage Rates Stay Elevated
The housing market continues to feel the squeeze from elevated borrowing costs. The average rate on a 30-year fixed mortgage edged up to 6.49% from 6.47% the previous week, according to Freddie Mac, remaining near the 6.5% threshold where it has hovered for six weeks. The 15-year fixed-rate mortgage rose to 5.84%. Residential housing investment declined 1.7% in the first quarter — the fifth consecutive quarterly drop — as higher rates continue to suppress affordability.
Consumer Spending and Savings Under Pressure
Consumer spending, which accounts for roughly 70% of U.S. economic activity, showed signs of weakening. While the economy grew at a solid 2.1% annual pace in the first quarter — rebounding from a sluggish 0.5% in Q4 2025 that was impacted by a 43-day federal government shutdown — spending fell sharply from the previous quarter, a sign that households may be cutting back due to higher gasoline prices.
The personal savings rate stood at 3% in May, unchanged from April but down sharply from 5.5% in April 2025, according to the BEA data. Meanwhile, weekly jobless claims fell by 12,000 to 215,000 for the week ending June 20, coming in below the 225,000 forecast, suggesting the labor market remains resilient despite broader economic headwinds.
Expert Reactions
Heather Long, chief economist at Navy Federal Credit Union, told Fox Business that “inflation is at a 3-year high due to the war in Iran and it’s painful for middle-class and moderate-income Americans.” She noted that “people are spending more on gas, along with healthcare and utilities,” but added that “jobless claims remain low and the personal savings rate ticked up slightly in May.”
Ellen Zentner, chief economic strategist at Morgan Stanley Wealth Management, cautioned that “sliding oil prices will take a while to work their way through the economy,” adding that “today’s data is a reminder that inflation remains well above target and growth remains solid. This will keep the Fed on hold for quite some time, until conditions allow for a cut.”
Jeffrey Roach, chief economist at LPL Financial Research, warned that “if the Iran crisis creeps into Labor Day timeframe, we have a much higher chance that inflation pressures will seep into other categories and will force the Fed’s hand.”
AI Chip Shortage Adds New Inflation Vector
Beyond energy, a parallel inflation driver has emerged from the artificial intelligence boom. Unprecedented demand for memory chips and semiconductors has pushed up costs across consumer electronics. Apple announced broad price increases on its Mac and iPad lineup, with the company describing the situation as “an unprecedented challenge” — noting it has “never seen a component price increase this much, this quickly,” as AP News reported.
The Fed’s Dilemma
The Federal Reserve, now under new Chair Kevin Warsh, left interest rates unchanged at its June 17 meeting. Bank of America has forecast three rate hikes in 2026, stating that the Fed’s “inflation problem has gotten unambiguously worse.” Core PCE is projected to reach 3.5%, roughly 70 basis points above year-ago levels.
What to Watch
Several key questions will shape the economic outlook in the months ahead: whether the Iran peace deal holds and leads to sustained lower energy prices; how quickly the AI chip supply situation resolves; and whether the Fed under Chair Warsh will hike rates — and if so, how aggressively. With midterm elections approaching and consumer sentiment deteriorating, the intersection of inflation, housing costs, and political dynamics will remain a central story for the U.S. economy.