31.   Meanwhile Japanese authorities continued to deny the Bank of Japan will raise its discount rate as early as this month, which could boost the yen.

32.   Rising rates could spell trouble for Japanese stocks by raising corporate borrowing costs and boosting the yen.

33.   Signs of recovery often help boost the yen by sparking speculation the Bank of Japan may raise interest rates from current record low levels sooner than expected.

34.   Signs of trade friction between Japan and the U.S. often boost the yen.

35.   Some traders took that as a sign U.S. officials might join Japan in its effort to boost the yen.

36.   Some economists say the likelihood that the U.S.-Japan interest-rate differential will shrink in favor of Japan should help boost the yen in the longer term.

37.   Some traders took the remarks to mean Japanese authorities would sell dollars to boost the yen.

38.   That boosted the yen further because global investors buying Japanese securities need yen to pay for them.

39.   That could crush the recovery by making it more expensive for companies to borrow and boost the yen by making it more profitable to deposit money in Japan.

40.   That boosts the yen.