Caldor, The Discount Chain Destroyed by a Single Pricing Error Caldor stores, Caldor bankruptcy, retail collapse history, Pennsylvania retail history, lost discount stores, 1990s retail wars, Walmart expansion era #RetailHistory #PANostalgia #LostStores #Caldor #RetailCollapse Caldor was once called the Bloomingdale’s of discounting, operating 145 stores across the Northeast with over one billion dollars in annual sales. After surviving Chapter 11 bankruptcy in the 1990s, a single pricing error