Goldman Sachs Group Inc. and Citigroup Inc. sold $1.4 billion of bonds tied to commercial- property mortgages as financial markets bounced back after declines that followed natural disasters and crises overseas. The largest top-rated portion, a $532 million slice maturing in 9.73 years, yields 125 basis points more than the benchmark swap rate, said a person familiar with the transaction who declined to be identified because the terms aren’t public.