Full video here May 17 -- Jeffrey Gundlach, founder and .\r \r Speaking at Barrons Art of Successful Investing Conference, Doublelines Jeffrey Gundlach recommends a mortgage REIT, energy bonds, and tax-free Puerto .\r \r \r \r \r \r Bond king Jeffrey Gundlach, CEO/CIO of DoubleLine Capital, issues a stern warning on potential danger ahead in the high-yield bond market when interest .