DoubleLine Capital and State Street Global Advisors rolled out two new exchange-traded funds focused on emerging markets credit and short-maturity bonds. The SPDR DoubleLine Emerging Markets Fixed Income ETF is managed by DoubleLine CEO and CIO Jeffrey Gundlach and portfolio managers Philip Barach and Jeffrey Sherman, and the SPDR DoubleLine Short Duration Total Return Tactical ETF is managed by Luz Padilla , director of DoubleLine's international fixed-income group, and portfolio managers Mark Christensen and Su Fei Koo. SSGA and DoubleLine teamed up previously to launch the $2.3 billion SPDR DoubleLine Total Return Tactical ETF. Read the original story from Barron's.