Royal Bank of Canada this week issued the first covered bond registered with the Securities and Exchange Commission. The $2.50 billion transaction was backed by a pool of Canadian mortgages, issued in U.S. dollars and received AAA ratings from major rating services. The SEC registration allowed RBC to sell pieces of the covered bond to non-institutional investors in the U.S. The sale of covered bonds to retail investors will modestly expand the investor base, in our estimate, said Howard Esaki, global head of structured finance research at Standard & Poors. The covered bond has...