![Stacks of Swiss franc, Euro and U.S. dollar banknotes are displayed in a bank in Bern August 15, 2011. The Swiss franc rose against the euro and the dollar August 16, 2011, Stacks of Swiss franc, Euro and U.S. dollar banknotes are displayed in a bank in Bern August 15, 2011. The Swiss franc rose against the euro and the dollar August 16, 2011,](https://c8.alamy.com/compfr/2cmkmef/stacks-of-swiss-franc-euro-and-u-s-dollar-banknotes-are-displayed-in-a-bank-in-bern-august-15-2011-the-swiss-franc-rose-against-the-euro-and-the-dollar-august-16-2011-as-renewed-worries-about-the-euro-zone-crisis-pushed-investors-towards-the-safe-haven-currency-despite-the-swiss-national-banks-warning-it-could-take-more-measures-to-stem-the-francs-rise-picture-taken-august-15-reuters-pascal-lauener-switzerland-tags-business-2cmkmef.jpg)
Stacks of Swiss franc, Euro and U.S. dollar banknotes are displayed in a bank in Bern August 15, 2011. The Swiss franc rose against the euro and the dollar August 16, 2011,
![Stacks of Swiss franc, Euro and U.S. dollar banknotes are displayed in a bank in Bern August 15, 2011. The Swiss franc rose against the euro and the dollar August 16, 2011, Stacks of Swiss franc, Euro and U.S. dollar banknotes are displayed in a bank in Bern August 15, 2011. The Swiss franc rose against the euro and the dollar August 16, 2011,](https://c8.alamy.com/comp/2CP4D1J/stacks-of-swiss-franc-euro-and-us-dollar-banknotes-are-displayed-in-a-bank-in-bern-august-15-2011-the-swiss-franc-rose-against-the-euro-and-the-dollar-august-16-2011-as-renewed-worries-about-the-euro-zone-crisis-pushed-investors-towards-the-safe-haven-currency-despite-the-swiss-national-banks-warning-it-could-take-more-measures-to-stem-the-francs-rise-picture-taken-august-15-reuterspascal-lauener-switzerland-tags-business-2CP4D1J.jpg)
Stacks of Swiss franc, Euro and U.S. dollar banknotes are displayed in a bank in Bern August 15, 2011. The Swiss franc rose against the euro and the dollar August 16, 2011,
![Stacks of Swiss franc and Euro banknotes are displayed in a bank in Bern August 15, 2011. The Swiss franc rose against the euro and the dollar August 16, 2011, as renewed Stacks of Swiss franc and Euro banknotes are displayed in a bank in Bern August 15, 2011. The Swiss franc rose against the euro and the dollar August 16, 2011, as renewed](https://c8.alamy.com/comp/2CRRXKG/stacks-of-swiss-franc-and-euro-banknotes-are-displayed-in-a-bank-in-bern-august-15-2011-the-swiss-franc-rose-against-the-euro-and-the-dollar-august-16-2011-as-renewed-worries-about-the-euro-zone-crisis-pushed-investors-towards-the-safe-haven-currency-despite-the-swiss-national-banks-warning-it-could-take-more-measures-to-stem-the-francs-rise-picture-taken-august-15-reuterspascal-lauener-switzerland-tags-business-2CRRXKG.jpg)