Ecommerce continued its torrid growth, reaching $91.7 billion in sales from Nov. 1 to Dec. 31, 2016. That caps an 11% growth over 2015 figures. Most impressively, out of the 61 days measured, 57 topped the $1 billion mark. Not surprisingly, Cyber Monday took the top single-day total with $2.7 billion. What was surprising was the Tuesday after Cyber Monday, which saw the second-highest total with $2.2. billion according to comScore.