Credit card outstandings tied to private label store cards reached $118.78 billion at year-end 2017, up 4.9% versus 2016. In comparison, outstandings tied to general purpose cards that operated on the Visa, Mastercard, Discover, and American Express networks were $923.22 billion at year-end 2017, up 7.3% over the prior year. Store credit card purchase volume grew to $171.96 billion in 2017, up 1.9%. Combined Visa, Mastercard, American Express, and Discover credit card purchase volume was $3.352 trillion in 2017, up 9.6%. Over the past couple of years, cardholders have been moving toward usi...