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Residential and commercial buildings stand in Yokohama, Japan, on Tuesday, Feb. 9, 2016. Japanese officials stepped up their expressions of concern about a soaring yen as the currency's renewed strength threatened to undermine the government's Abenomics program to revive the nation's economy. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images

Residential and commercial buildings stand in Yokohama, Japan, on Tuesday, Feb. 9, 2016. Japanese officials stepped up their expressions of concern about a soaring yen as the currency's renewed strength threatened to undermine the government's Abenomics program to revive the nation's economy. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images