American Express, JPMorgan Chase, Bank of America, Capital One, Synchrony Financial, Discover Financial Services, Citigroup North America, and U.S. Bancorp Payment Services are the most profitable U.S. payment card companies. Combined they earned $34.66 billion in card profits (pretax net income) last year, an increase of 9.6% over 2018. The eight issuers set aside a combined $31.56 billion at year-end 2019 for anticipated card loan losses. This was up 1.2% or $137.0 million from 2018. American Express continued as the most profitable company in card payments in the U.S. in 2019. Its Global...