If all currencies are moving up or down together, the question is: relative to what? Gold is the canary in the coal mine. It signals problems with respect to currency markets. Central banks should pay attention to it.
Alan GreenspanI don't think it's possible for the Fed to end its easy-money policies in a trouble-free manner. Recent episodes in which Fed officials hinted at a shift toward higher interest rates have unleashed significant volatility in markets, so there is no reason to suspect that the actual process of boosting rates would be any different. I think that real pressure is going to occur not by the initiation by the Federal Reserve, but by the markets themselves.
Alan Greenspan