In the video below, Motley Fool financial analyst David Hanson discusses JPMorgan's (JPM 0.52%) new sale of $616 million in private label mortgage-backed securities. While this market of MBSs that were not backed by Fannie Mae or Freddie Mac was enormous in the years prior to the recent financial crisis, today it is considered nearly a frozen market. David tells investors whether this was a risky move for JPMorgan, and who this could affect if this business picks back up.