A man walks past a display showing the exchange rates of foreign currencies in Zurich October 4, 2013. Switzerland's financial markets regulator is working with authorities in other countries to ... more 
A man walks past a display showing the exchange rates of foreign currencies in Zurich October 4, 2013. Switzerland's financial markets regulator is working with authorities in other countries to investigate possible manipulation in the $5 trillion-a-day foreign exchange market potentially involving multiple banks. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: BUSINESS CRIME LAW) less 
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Reuters | Photo By ARND WIEGMANN / REUTERS
Fri, Oct 4, 2013 1:27 PM EDT