Investors shouldn't "jump to conclusions about how permanent the recent dollar weakness will be," Tobias Adrian, the International Monetary Fund's top financial-market

watchdog, said on Tuesday. The future path of the dollar depends on how the current uncertainty about government trade and other macroeconomic policies plays out, Adrian said at a press

briefing. In an earlier interview with MarketWatch, Adrian said concerns that the U.S. might lose its top spot in global markets were overstated.