Stocks week ahead: Sizing up Black Friday

Black Friday by the numbers

1. Black Friday biopsy: How much did Americans splurge on shopping’s biggest weekend? Decent, but not if you’re a brick-and-mortar location.

Buoyed by strong online traffic, sales surpassed $3 billion for the first time with roughly $1 billion of it coming from mobile devices. But data shows that sales from physical retailers dipped 5 percent over the two days, while the number of transactions fell 8 percent as shoppers skipped the crowds to shop at home.