The dollar has erased all gains it has made since Mr. Trump won the election in November as a new wave of tariffs upends global markets. "A bear market in the dollar has arrived and it's roaring," said Paresh Upadhyaya, director of fixed income and currency strategy at Amundi, adding that the dollar could fall 10 per cent this year as the US "teeters on the brink of recession". This is in stark contrast to earlier this year when Mr. Trump's policy plans such as tax cuts and tariffs were seen as ...