The Swiss franc depreciated vis-à-vis the U.S. dollar today as the greenback tested offers around the CHF 1.1760 level and was supported around the CHF 1.1635 level. The pair came off during the North American session as demand for U.S. assets weakened. Swiss National Bank President Roth announced his retirement effective the end of the year and reported the current global financial crisis is likely to be felt for a long time. U.S. dollar offers are cited around the CHF 1.2130 level. The euro and British pound came off vis-à-vis the Swiss franc as the single currency tested bids around the CHF 1.4765 level and the British pound tested bids around the CHF 1.6545 level.