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 revealed the holiday results of its 2015 Online Retail Survey, a survey of more than 200 U.S. and U.K. retailers. The survey found that nearly 60 percent of respondents plan to start their holiday promotions in September or sooner, and almost a quarter (24 percent) of respondents are