Analysts at BBH suggest that it was dramatic as following the BOJ and ECB's rather mild rebuke of dollar's depreciation, US President Trump cautioned that his Treasury Secretary comments were taken out of context.
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“Trump added that, in any event, he, the President ultimately favored a strong dollar. The dollar, which had continued fall after Draghi's post-ECB meeting comments, shot higher in the US afternoon in response to Trump's comments. Note that Trump will speak in Davos today