Usd/jpy - 87.10... Advisor of PBOC Zhou Qiren said the yuan can rise or fall under managed float buy only in small steps. He added that the more flexible exhange rate regime will allow the PBOC to make more use of various monetary policy tools over the rest 2010. Dlr extends its intra-day fall to as low as 87.03. Bids are seen at 86.80/85 while offers are reported at 87.45/50.