The Federal Reserve’s preferred inflation gauge rose to a new three-year high in May as gas prices peaked, a sign rising costs could pose political problems for President Donald Trump and his political party as midterm elections near.

The Federal Reserve’s preferred inflation gauge rose to a new three-year high in May as gas prices peaked, a sign rising costs could pose political problems for President Trump as…

High gas prices pushed annual inflation to the highest level in three years, according to May data released by the Commerce Department on Thursday.