Junk bonds have been investors' snack of choice over the past five years. They may soon regret that decision. Billionaire Jeffrey Gundlach believes the next crisis will be in junk bonds. His voice is worth listening to. Not only is Gundlach the so-called king of the bond markets, but the CEO of DoubleLine Capital correctly predicted the subprime crisis that sparked the Great Recession last decade. Junk bonds, also known as high-yield debt, have been among the biggest beneficiaries of the Federal Reserve's unprecedented moves since the financial crisis. The central bank kept interest rates near zero, forcing investors ... (full story)