By Karen Brettell NEW YORK (Reuters) -The dollar was down on the day against the euro and the yen on Thursday but off lows reached before data showed that U.S. consumer price inflation came in above economists’ expectations in December, raising some doubts that the Federal Reserve will cut rates as soon as traders expect. Bitcoin also surged to a two-year high as several exchange-traded funds (ETFs) tied to the spot price of the cryptocurrency began trading. The headline U.S. Consumer Price Index (CPI) rose 0.3% last month, for an annual gain of 3.4%, against expectations of 0.2% and 3.2%, res…