Same-store sales at Wal-Mart rose 1.7% in December, with a 1.9% rise at Wal-Mart U.S. and a 0.1% rise at warehouse operator Sam's Club.

FORBES: Magazine Article

Then there is the Atlas Cold Storage Income Fund (whose underlying firm is a warehouse operator generating most of its revenue in the U.S.), which suspended its third-quarter payout last month after admitting it had goosed prior profits by capitalizing some expenses as assets.

FORBES: Magazine Article

That's below the 4.5 percent increase analysts polled by Thomson Reuters expected the warehouse club-operator to report.

NPR: Retailers Report Modest Gains For April