As index funds and exchange-traded funds have garnered most of the industry's flows and money ... Its pure agency-backed Bloomberg US Mortgage-Backed Securities Index is a decent starting point ...

Collateralized Mortgage Obligations, or CMOs, are a type of mortgage-backed security. Thousands of individual ... that because CMOs depend on the cash flows generated by their underlying assets ...

In mid-2008, more than 60 percent of all U.S. mortgages were securitized—pooled to form mortgage-backed securities—and the income streams from these securities were separated (“tranched’’) to offer ...