Investors are closely watching growth in Amazon's cloud computing unit, which faces increasing pressure from rivals and artificial intelligence deals.

Microsoft's cloud business has been growing faster than rival Amazon Web Services, as the company ramps up artificial intelligence investments.

Investors are closely watching growth in Amazon's cloud computing unit, which faces increasing pressure from rivals and artificial intelligence deals.

Amazon Web Services is the world's top provider of cloud infrastructure, but it's facing intensifying pressure from competitors Google and Microsoft.

Amazon Web Services (AWS) sees 20% increase in revenue year over year, topping Wall Street estimates

Cloud growth has been a widely watched metric for the company as rivals such as Google and Microsoft ramp up the pressure.

Amazon blew past analyst estimates in its third-quarter earnings report and raised its capital expenditures forecast for the year to $125 billion.

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