They fell against one currency (CHF), they didn't fall 10% in a general sense (e.g. against a basket of goods or currencies.) If I sell muffins for USD$1 and I

They fell against one currency (CHF), they didn't fall 10% in a general sense (e.g. against a basket of goods or currencies.) If I sell muffins for USD$1 and I raise my price to USD$2, it would be a real stretch to say the USD fell by 50%.