https://www.reuters.com/article/us-amazon-com-prime-day-data/u-s-retailers-gain-online-shoppers-on-amazons-prime-day-adobe-idUSKCN1UB1NR >Several large U.S. retailers recorded higher sales on the first day of Amazon.com Inc's Prime Day shopping event as online shoppers also flocked to their websites, Adobe Analytics said on Tuesday.