Whether dollar or non-dollar, the currencies in which your investments are denominated are affected by shifting values. An esoteric subject... until it's not. Some PMs hedge their foreign exposures; some do not. Be aware of "the nature" of your foreign exposures, as central banks tend to fiddle in this field, in a bigger and more obvious way, when other options run out.
http://blogs.wsj.com/economics/2014/09/15/the-return-of-the-currency-wars/And if you thought you smelled it happen a couple of times last year, you weren't alone.
