Shares of some top credit card companies were mixed at the close of trading:
American Express Co. rose $.59 or 1.0 percent, to $62.28.
Capital One Financial Corp. fell $.91 or 1.7 percent, to $53.12.
Discover Financial Services rose $.38 or 1.0 percent, to $39.53.
Mastercard fell $.27 or .1 percent, to $522.86.
Visa Inc. fell $.38 or .2 percent, to $157.61.








