Usd/jpy - 85.35 ... The greenback jumped against the Japanese yen to 85.48 on rumour that the BOJ checked exchange rates with banks in the foreign exchange market earlier. Bids by Japanese names are located at 85.15/20 n 85.00 with stops building up below 84.90 n 84.70. On the upside, offers are tipped at 85.55/60 n 85.80/90.