Every month we publish a snapshot of the stock market performances of more than 120 companies that earn revenue from customers in the payment card industry. For the complete rankings, log in and download Issue 1300. This article features the four publicly traded card payment networks and the top 20 publicly traded payment card issuers. Combined, the card networks held a market capitalization of more than $1.570 trillion as of December 31, 2025, up 15.6% from $1.358 trillion at year-end 2024. The largest growt...