The yen almost ceased to alcance 150 per cent on Monday, extending their gains from last week, keeping traders on intervening watch after Bank of Japón y governor Kazuo Ueda quashed hopes of any imminent move away from its extremely loose monetary policy. The yen is to be auctioned at 148.35 per dollar on the Nasdaq Stock Exchange, a day after the Bank of England (BOJ) warned that further interest rates would be on hold even when central bank officials had to maintain low interest rate levels at last week's policy meeting.