Growth in Bing search advertising revenue has rebounded after hitting a two-year low, according to the latest Microsoft company reports. Year-on-year growth in Microsoft search ad revenue was 11% in Q3 2019, up from 9% in the second quarter. This reverses the slowing growth seen since Q3 2018.

Whether the company can turn this accelerated growth into a sustained increase remains to be seen. Bing has been losing market share and Amazon has emerged as the only large-scale challenger to Google's dominance. Growing application of voice and visual search is only likely to further complicate the sector for Bing. Indeed, Microsoft is placing greater emphasis on its rapidly growing cloud and digital subscriptions businesses instead.