Shares of MasterCard have outperformed shares of Visa over the past several years, but over that time, Visa has beaten its smaller competitor when its comes to one metric. In the video below, Motley Fool banking analysts Matt Koppenheffer and contributor David Hanson try to stump each other in a round of 

Stock quiz

Since 2007, Visa has shrunk its share count by:
A. 9.5%
B. 17.9%
C. 23.4%
D. 26.7%

What percentage of Alterra's 2013 business was reinsurance? 
A. 11%
B. 23%
C. 39%
D. 57%