Visa (V) and Mastercard (MA) face an earnings test this week amid geopolitical risks. Wall Street expects Visa's Q2 revenue to grow 12% to $10.75B, with EPS of $3.1. Mastercard is expected to report 14% growth, with Q1 revenue of $8.26B and EPS of $4.1. Both stocks are down about 10% YTD.