On Amazon Prime Day, searches for eBay, Best Buy, Walmart and Target soared 255% By: MarketWatch July 17, 2019 at 09:51 AM EDT Search data suggests that shoppers signed up for free trials of Amazon Prime to score deals for Prime Day. Read More >> Related Stocks: Alphabet-A Alphabet-C Amazon.com Best Buy Target Corp Wal-Mart Stores, Inc. eBay