Usd/jpy - 89.10 ... Despite dlr's brief drop to 88.15 y'day, the greenback rebounded on active short-covering n rose to 89.15 in Asian morning ahead of Today's 3-day weekend together with Bernanke's remarks. Bernanke said the Fed will need to tighten monetary policy to prevent the emergence of an inflation problem down the road as economic recovery takes hold. Bids by Japanese names are noted at 88.80, 88.60 n further out at 88.40/45 with stops building up below 88.10 n 88.00. On the upside, offers are by Japanese exporters are tipped at 89.30/40, 89.60 n 89.80/90.