Investors speculating the dollar rally is fizzling out may be overlooking trillions of reasons why it will keep on going. There’s pent-up demand for the U.S. currency that will underpin years of appreciation because the world is “structurally short” the dollar, according to investor and former International Monetary Fund economist Stephen Jen. Sovereign and corporate borrowers outside America owe a record $9 trillion in the U.S. currency, much of which will need repaying in coming years, data from the Bank for International Settlements show. In addition, central banks that had reduced their holdings of the greenback ... (full story)