Up More Than 210% in 5 Years, Can American Express Stock Still Rise Higher?

Amex is a fairly cheap-looking stock, but concerns about caps on interest rates could limit its gains.One of the best financial stocks to own in recent years has been American Express (AXP 0.68%). The company is a top credit card issuer and caters to an affluent customer base that's been willing to spend heavily, even amid inflation and growing economic concerns. The stock is up over 210% in just the past five years, which is far better than the S&P 500's gains of around 81% in the same period (returns are ...