The inflation story just got more complicated. What started as an oil price shock from the Iran war has now worked its way into core categories — services, food, airline fares — and the Fed’s window for calling it transitory is closing fast.
📈 CPI headline surge: +3.8% YoY, above the 3.7% estimate — biggest jump since 2023, up from 3.3% just a month prior, now closer to 4% than 3%
🔥 PPI explosion: +6.0% YoY vs. a 4.8% estimate; core PPI ex-food and energy at +5.2% annually — the largest advance in more than three years
⛽ Energy pass-through: Gasoline prices up 5.4% month-over-month; food at home up 0.7%; airline fares up 2.8%
⚠️ Core acceleration: Month-over-month core CPI at +0.4%, rising at the fastest pace since August 2022
Morgan Stanley’s Michael Gapen flagged what he called “hints of second-round effects” — energy costs bleeding into services, the category the Fed watches most closely. Core PCE is actually rising faster than CPI, so no matter how you slice the data, this isn’t the scenario the Fed wants. Energy spikes are supposed to be self-correcting. Core stickiness is not.
Lower-income workers saw wage growth of just 1.5% while their gas spending has nearly doubled as a share of wallet — from roughly 5% to close to 10%. The Fed targets an aggregate inflation rate. The consumer living it is experiencing something sharper. If the Fed holds rates to protect the economy’s strength, the inflation psychology — what Stifel’s Lindsey Piegza called the risk of prices “becoming ingrained” — starts doing its own damage. The next two CPI and PPI prints before the June 17 FOMC meeting will tell us whether this is a spike or a regime change. Right now, the bond market is leaning toward the latter: a full rate hike is being priced in by April 2027.
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