The Swiss franc depreciated vis-à-vis the U.S. dollar today as the greenback tested offers around the CHF 1.0610 level and was supported around the CHF 1.0505 level.  March producer and import prices data will be released tomorrow.  Swiss National Bank Vice Chairman Jordan said regulators cannot allow governments to be blackmailed into protecting banks from collapse during future financial crises.  There was talk yesterday that the Swiss National Bank may have sold francs for euro in an intervention to try and support the Swiss export sector.  U.S. dollar offers are cited around the CHF 1.0920 level.  The euro moved lower vis-à-vis the Swiss franc as the single currency tested bids around the CHF 1.4330 level while the British pound moved higher vis-à-vis the Swiss franc and tested offers around the CHF 1.6390 level.