The trend isn’t likely to continue without a few hiccups, however. The company said operating income next quarter is likely to come in between $1 billion and $4.5 billion as it faces a particularly expensive stretch. To keep up with the surge in demand, Amazon said it’s ramping up new facilities and hiring a large number of new employees, which now number more than 1 million globally. At the same time, it expects productivity to be strained as it revises more processes to spread employees out and curb the spread of the new coronavirus. Earlier this month, it admitted nearly 20,000 employees have already gotten the disease.

Amazon also expects to spend about $4 billion on costs related to Covid-19 such as more protective equipment and extra cleaning of its facilities, compared to $7.5 billion in pandemic-related costs across the first three quarters of the year. On a call with analysts and investors, CFO Brian Olsavsky added the holidays are an uncertain time that can see delivery costs rise and weather issues pop up. While Amazon’s blockbuster Prime Day happened in the fourth quarter this year and should boost total sales, it’s a discount-oriented event so margins are slimmer.

Amazon’s stock dropped 2% in premarket trading on the outlook.

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