The Japanese yen remained vulnerable, hovering not far from a one-year low against the greenback as markets remained on watch for possible intervention by Tokyo. The dollar index , which measures the dollar against a basket of currencies, was last mostly flat at 105.80. There was little relief for the yen, however, which has come under pressure from rising U.S. Treasury yields and continued dollar strength. The Japanese currency was trading around 151.58 yen against the dollar on Monday, just under a one-year low of 151.74 hit at the end of October. Elsewhere, sterling stood at $1.2228 to the dollar, firm ahead of UK average weekly earnings data on Tuesday and a CPI reading on Wednesday.

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Persons: Dado Ruvic, Jerome Powell, Lenny Jin, Jin, Moody's, Tony Sycamore, Brigid Riley, Shri Navaratnam Organizations: REUTERS, Rights, Federal Reserve, greenback, Global FX, HSBC, U.S, CPI, Treasury, IG, Bank of Japan, Thomson Locations: United States, Tokyo, U.S, New York