The consumer price index rose at annual pace of 2.6% after September saw lowest rate in more than three years

A key measure of US inflation has risen for the first time since March, underlining its bumpy ride down to lower levels.

The consumer price index (CPI), which measures price growth across a basket of goods, ticked up to an annual pace of 2.6% in October – from 2.4% in September, which had been the slowest rate in more than three years.