Prices of services are rising quickly. Prices of goods are falling. Energy is all over the map. Policy makers and market watchers already strip out volatile components of price indexes to understand what is known as core inflation. These days, many are on the hunt for an even narrower measure: a supercore.
When the Labor Department releases its latest inflation reading on Thursday, most investors will still look first at the monthly change in the so-called core consumer-price index, which excludes food and energy categories to provide a better sense of inflation’s longer-term trajectory.
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