ChannelAdvisor Says Amazon June Comps Up 34%, eBay Up 12% By: Benzinga via Benzinga July 11, 2014 at 07:21 AM EDT Amazon.com, Inc.'s (NASDAQ: AMZN) June same-store sales grew 34 percent according to the e-commerce market research shop ChannelAdvisor ... Read More >> Related Stocks: Amazon.com Channeladvisor Corp eBay