The Canadian dollar strengthened against the greenback on Friday, and the yield on benchmark government debt slipped. The loonie was trading 0.3% higher at C$1.3353 to the greenback, or 74.89 U.S. cents, after trading in a range of 1.3348 to 1.3399. Canadian government 10-year bond yields fell 0.9 basis points to 3.239%. The yield on similar U.S. government benchmark debt fell to 3.9691%. U.S. February crude futures rose $2.04 to $74.06 a barrel on Friday.