Jay Henderson

U.S. shoppers made Cyber Monday the biggest online shopping day in history with a 20.6 percent increase in online sales, according to the latest cloud-based analytics findings from IBM. Mobile sales led the way, exceeding 17 percent of total online sales, an increase of 55.4 percent year-over-year. Cyber Monday also capped the highest five-day online sales period on record — from Thanksgiving Day through Cyber Monday — which grew 16.5 percent over the same period in 2012.