Why Visa Stock Was Slipping Today

Shares of Visa (V -1.70%) were falling today after the credit card processing giant posted a narrow beat on the top and bottom lines in its first-quarter earnings report, but it wasn't enough to impress investors. Rival American Express also delivered a strong earnings report this morning, which investors may have interpreted as a sign that AmEx is outperforming Visa. Concerns about the global economy also seemed to weigh on the stock.As of 12:14 p.m. ET, Visa stock was down 1.6% after falling as much as 2. ...