Core Inflation Falls for First Time Since July Amid Sticky Food Costs

December’s inflation report offered signs of easing price pressures. Core Consumer Price Index (CPI), which excludes volatile food and energy components, rose 0.2% month-over-month and 3.2% year-over-year — the slowest annual pace since July. Headline CPI matched expectations at 2.9% year-over-year, reflecting a broad move toward more moderate inflation.

One notable improvement came from the shelter index, which climbed 4.6% year-over-year. That represents the smallest annual increase in shelter costs since January 2022 and helped temper the overall inflation picture. Still, not all categories showed relief: used car prices rose 1.2% in December, energy costs jumped 2.6% month-over-month, and egg prices spiked 3.2%, contributing to uneven price trends across the economy.

Markets reacted positively to the softer data. Longer-term Treasury yields fell below 4.7%, reflecting investor hopes that inflation may be moving closer to the Federal Reserve’s comfort zone. However, uncertainty remains. Potential policy changes under the incoming administration could introduce fresh inflationary risks. Proposals such as tariffs and tax cuts could push prices higher if implemented, and market participants are watching for policy signals as the inauguration approaches.

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