RESEARCH TRIANGLE PARK, N.C.--(BUSINESS WIRE)--ChannelAdvisor Corporation (NYSE:ECOM), a leading provider of cloud-based e-commerce solutions that enable retailers and manufacturers to increase global sales, today announced that its customers’ same-store sales (SSS) increased 20.6 percent year-over-year during the five days from Thanksgiving through Cyber Monday — the Cyber Five. ChannelAdvisor customers grew their SSS 23.8 percent on Amazon, 20.6 percent on eBay and 54.4 percent on third-party