New data from the Bureau of Labor Statistics out Wednesday showed that a key inflation metric eased for the first time since July. On a "core" basis, which strips out the more volatile costs of food and gas,

U.S. stock index futures extended gains on Wednesday as investors assessed a broadly in-line consumer inflation report to gauge its effect on the Federal Reserve's monetary policy easing this year. Data from the Labor Department showed the consumer price index rose 2.

The Consumer Price Index ticked up by 0.4% in December, but a measure that excludes food and energy prices slowed for the first time in four months, the Labor Department said on Wednesday. Why it matters: Inflation resumed a cooling trend after a months-long interruption,