A vendor holds up a belt buckle with U.S. currency engravings, which is being sold for 500 pesos ($11), at a market in Divisoria, metro Manila October 23, 2014. A year-long investigation into allegations of collusion and manipulation by global currency traders is set to come to a head on Wednesday, with Britain's financial regulator and six big banks expected to agree a settlement involving around ?1.5 billion ($2.38 billion) in fines. The settlement comes amid a revival of long-dormant volatility on the foreign exchanges, where a steady rise of U.S. dollar this year has depressed oil prices and the currencies of many commodity exporters such as Russia's rouble, Brazil's real and Nigeria's naira - setting the scene for more turbulence on world financial markets in 2015. Picture taken October 23, 2014. REUTERS/Romeo Ranoco (UNITED STATES - Tags: BUSINESS CRIME LAW POLITICS)

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