ALBAWABA - Japan’s currency yen is suffering a significant weakening of its value, prompting the U.S. under the Trump administration to back the currency from failing as a sign of friendship. The yen slid to its weakest level since 1986 amid higher US interest rates, rising oil prices and persistent capital outflows, recording an exchange rate of 163.24 per dollar last month, prompting the US to intervene. The Financial Times ...