Annual inflation ticked up for a third straight month in December as food, energy costs rose, CPI report showed. But underlying price measure eased.

Wednesday’s report from the Labor Department showed that the consumer price index rose 2.9 percent in December from a year ago, the highest since July, up from 2.7 percent in November. It was the third straight increase after inflation fell to a 3 1/2 year low of 2.4 percent in September.

The Labor Department released the inflation report for December, which showed prices were up 2.9% from a year ago, in line with economists expectations and up from 2.7% in November.

The December inflation report shows that inflation rose by 0.4% month over month and 2.9% year over year. NBC News' Brian Cheung and Editor-in-Chief at Investopedia Caleb Silver break down the latest economic data.

U.S. stocks surged on Wednesday, with all three major indexes registering their biggest daily percentage gains in more than two months, as lower-than-expected December core inflation data and solid earnings from major U.

U.S. stocks ripped higher Wednesday following a shot of adrenaline from an encouraging update on U.S. inflation. Strong profit reports from Wells Fargo and other big U.S. banks also helped launch indexes to their best day in two months.

US stocks surged higher Wednesday after an encouraging inflation report and blockbuster profits for some of America’s biggest banks.