The Canadian dollar weakened against the greenback on Tuesday, and the yield on benchmark government debt climbed.
The was trading 0.1% lower at C$1.3839 to the greenback, or 72.26 U.S. cents, after trading in a range of 1.3794 to 1.3855.
Canadian government yields rose 5.1 basis points to 3.052%. The yield on similar U.S. government benchmark debt rose to 3.8296%.
U.S. September crude futures fell 47 cents to $72.47 a barrel on Tuesday.