The dominant position of Amazon and Microsoft in cloud computing is harming competition, with their impact exacerbated by technical and commercial barriers to switching, an inquiry group from Britain's antitrust regulator said.

Britain’s competition regulator called for a probe into Microsoft and Amazon’s cloud market dominance under the country’s strict new tech rules.

Britain’s competition regulator is set to deepen its probe into the UK cloud services market, targeting Microsoft and Amazon over their combined dominance in the infrastructure-as-a-service (IaaS) sector.

Microsoft isn't slowing down. The world's second-largest company by market cap reported blockbuster fourth-quarter earnings, sending shares surging so high after hours that the tech giant is set to become a member of the exclusive $4 trillion club.