As global markets toppled during the 2008 financial crisis, the Canadian market for non-bank asset-backed commercial paper (ABCP) seemed on the verge of collapsing. Fueled by a top rating from DBRS, ABCP had found its way into the portfolios of some of Canada's most sophisticated investors as well as vulnerable retail investors who didn't know what they were holding. The failure of the $32 billion market could have tipped Canadian and foreign...