It wasn't just the over-valued mortgage-backed securities that tanked the economy three years ago. The bigger, behind-the-scenes problem was a daisy chain of interbank lending all based on those securities.
Veteran business reporter, Mary Fricker, is continuing to warily watch developments in this arena, and has created a website, RepoWatch, to chronicle them.
These repurchase or "repo" loans are part of the largely unregulated financial markets that evolved since the banking industry was allowed to engage in more speculative investing, a part of the fiscal world sometimes characterized as shadow banking.