Walmart must face a class action lawsuit that ruled that the retailer overcharged customers with "deceptive and unfair pricing practices."
Plaintiff Yoram Kahn alleged that the world's largest retailer "takes advantage of consumers in Illinois and nationwide with deceptive and unfair pricing practices."
Kahn argued that while the price discrepancies were small, they "add up to hundreds of millions of dollars each year."
"Kahn alleges that Walmart is aware of these discrepancies...