https://www.cnbc.com/2019/01/31/aws-earnings-q4-2018.html

Amazon's cloud-computing division said revenue jumped 45 percent in the fourth quarter, as the company continued to cement its lead over Microsoft and Google.

Sales at Amazon Web Services climbed to $7.43 billion from $5.11 billion a year ago, topping the $7.29 billion consensus estimate among analysts polled by FactSet. AWS revenue represented 10 percent of total quarterly sales at Amazon.