In the current market climate of low yields across the board, investors in stocks, Treasury bonds, and corporate bonds aren't getting the yields they hoped for. This is driving a lot of investor dollars into the junk bond market, which is one of the last ways left to get a higher yield at the moment. In this video, Motley Fool analysts Matt Koppenheffer and Morgan Housel discuss junk bonds and the junk bond market, and why the yield just may not be worth the risk.