Plastic and virtual commercial cards compete with commercial payments made by paper checks, ACH drafts, and wire transfers. Currently, payment cards account for more than 9% of all commercial payment volume. Migrating paper checks to plastic and virtual payment cards is the biggest opportunity for card issuers. That market amounts to at least $1.300 trillion. This year TSYS will process more than 1.30 billion commercial card transactions for card-issuing clients that collectively account for 92% of all U.S. purchasing card volume, 84% of corporate card volume, 34% of small business card volume...