Monday saw the yen weaken further in Asian trade as criticism of the currency’s slide heats up, with some warning that Tokyo’s foreign-exchange policy could spark a global currency war. The dollar bought 91.02 yen in Tokyo, up from 90.87 yen in New York on Friday, while the euro was at 122.55 yen from 122.28 yen. The Bank of Japan (BoJ) on Tuesday announced an open-ended easing plan and a […]