U.S. Stocks Fall on Europe Concern; Citigroup, Visa Drop

May 14 (Bloomberg) -- Bloomberg's Adam Johnson and Dominic Chu report on the performance of the U.S. equity market today. Stocks fell, paring a weekly rally that’s the biggest in two months, as concern Europe’s debt crisis is destabilizing its currency overshadowed stronger-than- estimated reports on retail sales and industrial production. Bloomberg's Pimm Fox also speaks. (Source: Bloomberg)