Thousands of regularly-purchased items were impacted by the issue, including food, clothes and tech items, with Walmart claiming that "an internal system failure that did not allow price data to flow to self-checkout". For all the latest news straight to your inbox, sign up for our FREE newsletters here.

According to a recent survey by LendingTree, 15% of consumers have purposely stolen an item at self-checkout, and only 33% were caught. Also, 21% of respondents said they’ve taken an item accidentally while using self-checkout, and 69% kept the item anyway instead of returning it.

Walmart said on Wednesday that a technical issue in mid-March resulted in the retailer overcharging customers at some stores in the United States.

Walmart admitted that it may have overcharged shoppers who opted to use self-checkout machines at stores across the nation due to a technical issue, according to reports.

Walmart has admitted a technical issue for several days in mid-March resulted in the retailer overcharging customers in the United States. The glitch that started on the evening of March 19 prevented price data from flowing to self-checkout kiosks at 1,