Wal-Mart set to expand self-checkout options

|By:, SA News Editor

Wal-Mart (WMT +0.5%) says it will expand its Scan-and-Go mobile checkout program in the near future.

Though the company notes the feature allows shoppers to avoid time-consuming lines, it also cuts down costs for Wal-Mart and gives it a treasure trove of consumer preferences data to mine.