112 Share Covid-19 reshaped the landscape for many industries and e-commerce sites benefitted from the sudden influx in e-commerce activity. As a result, Amazon cemented its place as the leading global retailer in the world. According to data presented by TradingPlatforms.com, Amazon ended 2020 as the top global retailer with a market capitalization of $1.63T. E-Commerce Giants Amazon 1st on Top 25 List, Alibaba 2nd Amazon crossed the trillion-dollar mark in market capitalization midway through 2020 and continued its strong performance in 2020. As of December 31, 2020, Amazon’s was the leading retailer in the world with an estimated market capitalization of $1.63T. The second-highest market capitalization belongs to another e-commerce site, Alibaba with $629.7B – an estimated difference of almost 90%.