The Consumer Price Index rose 0.5%, while a measure that strips out energy and food rose 0.4%, the Labor Department said on Wednesday. Why it matters: It's a warning to the White House and the Fed about inflation's potential staying power across the economy.

January's Consumer Price Index shows a significant increase, with economists concerned about future price hikes.

Consumer prices rose by 3 percent annually last month, higher than reported in December. Inflation heated up more than expected in January, as prices for groceries, housing and energy all rose for Americans in early 2025,