The personal consumption expenditures price index, the Federal Reserve’s key inflation measure, increased just 0.1% for the month, putting the annual inflation rate at 2.1%. Core inflation also was at 0.1% for the month though it was higher on an annual level at 2.5%. Consumer spending, though, slowed sharply for the month, posting just a 0.2% increase, while the savings rate surged to 4.9%, the highest in nearly a year.