Nine Ways to Profit From the Diving Dollar By , Money Morning • November 21, 2007 Let me put it bluntly: The U.S. dollar is nose-diving against foreign currencies. So far, it's down 12% against the euro, 7% to the yen, 8% to the pound, 15% to the Canadian dollar, and 10% to the Swiss frank. And that's just in the past year alone.