When the U.S. Fed begins tapering its quantitative easing program, the Canadian dollar will face more risk than other G-7 currencies.

Bipartisan budget easing $63 billion in automatic spending cuts passes Senate. President Obama has said he'll sign it.

China's holdings of U.S. Treasuries increased 6.9 percent through October of this year.

As Fed considered tapering this year, U.S. Treasuries lost 11 percent, turning in the worst performance among 144 debt indexes Bloomberg tracks.