The pound sterling exchange rates for 10,000 Japanese yen, 100 Swiss francs, 100 euros and 100 U.S. dollars sits on a screen inside a currency exchange store in London, U.K., on Friday, Jan. 16, 2015. Banks and currency traders are tallying the fallout after the Swiss National Bank's unexpected decision to jettison its cap on the franc sent the currency up as much as 41 percent against the euro. Photographer: Chris Ratcliffe/Bloomberg via Getty Images