Dollar’s sharp decline signals tide going out on its global dominance

Among the threats tariffs pose to the US economy, none may be as strange as the sell-off in the dollar. Currencies rise and fall all the time because of inflation fears, central bank moves and other factors. But economists worry that the recent drop in the dollar is so dramatic that it reflects something more ominous as US president Donald Trump tries to reshape global trade: a loss of confidence in the US.

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