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Fifteen companies will account for 72.3% of US ecommerce sales this year, up 10.5 percentage points from 2019, largely due to the rapid expansion of several retailers. Etsy will craft its way to No. 1 in ecommerce sales growth, with a nearly 27% increase, while Walmart will be close behind. Even though Amazon won’t break the top three, it will still see ecommerce sales rise by almost 25%.

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