Japan intervenes to prop up yen ahead of BOJ policy decision, source says

TOKYO, July 31 : Japan conducted yen-buying, dollar-selling intervention in New York on Thursday, a market source said, its first such foray in three months, as the currency's slump to four-decade lows threatened to worsen living costs hit by the Iran war-driven energy shock.The move came ahead of the Bank of Japan's policy decision on Friday, where the central bank is widely expected to keep interest rates steady at 1 per cent but signal its readiness to continue pushing up borrowing costs.Japan's top currency diplomat Atsushi Mimura on Friday declined to comment on intervention but hinted at U.S. involvement in the effort to stem the yen's decline, including so-called rate checks by the Federal Reserve."We are receiving support from the United States that goes beyond psychological suppor