Several months after the election, President Donald Trump said that the US dollar was "getting too strong," and attributed the strength to investor confidence in him. The dollar has since slipped considerably, recently hitting its lowest level since January 2015. Business Insider CEO Henry Blodget discusses how a weak currency can actually help boost the exports for multinational companies, and looks at the reasons behind the dollar's decline. Now that the greenback is lower, it perhaps suggests a loss in confidence in Trump's economic agenda.