eCommerce Represents a Fifth of All Sales Volume for Holidays, Up from 18% in 2014 Analysis of More than 1.3 Million Merchant Locations Reveals Growth of 3.3% for Full Holiday Season Drop in Average Ticket Sizes Offsets Rise in Total Number of Transactions NEW YORK--(BUSINESS WIRE)--Jan. 8, 2016-- While many consumers still found themselves waiting in long lines this holiday season, a new report released today by First Data (NYSE: FDC) found that many tackled their gift lists from home this year. First Data’s Holiday 2015 SpendTrend Report revealed that more than a fifth (20.2%) of all ho...