Every major currency in the world has fallen against the U.S. dollar this year, an unusually broad shift with the potential for serious consequences across the global economy.
Two-thirds of the roughly 150 currencies tracked by Bloomberg have weakened against the dollar, whose recent strength stems from a shift in expectations about when and by how much the Federal Reserve may cut its benchmark interest rate, which sits around a 20-year high.
High Fed rates, a response to stubborn inflation, mean that American assets offer better returns than much of the world, and investors need dollars to buy them. In recent months, money has flowed into the United States with a force that’s being felt by policymakers, politicians and people from Brussels to Beijing, Toronto to Tokyo.
The dollar index, a common way to gauge the general strength of the U.S. currency against a basket of its major…
