Chicago’s top-rated ecommerce websites are worth more than $3 billion

HONG KONG -- The top-performing ecommerce sites in the United States are worth about $3.7 billion, according to research firm Technavio.The report said the top-ranked websites in the U.S. are Shopify, Amazon.com, Alibaba, and Paypal.The firm said the five top-selling websites were all part of the same company, and that all of the top 100 sites in terms of revenue are owned by the same parent...