(A) We are seeing core consumers under a lot of pressure.” Duke said at an event in New York. “There is no doubt that rising fuel prices are having an impact.”

(B) Wal-Mart shoppers, many of whom live paycheck to paycheck, typically shop in bulk at the beginning of the month when their paychecks come in.

(C) Lately, they’re “running out of money” at a faster clip, he said.

(D)Wal-Mart’s core shoppers are running out of money much faster than a year ago due to rising gasoline prices, and the retail giant is worried, CEO Mike Duke said Wednesday.