ETFs For A Changing Fixed-Income Environment By: Benzinga via Benzinga April 28, 2016 at 08:41 AM EDT U.S. interest rates have been on a steady downward trajectory since the 1980s. While that may imply fixed income investing has been ... Read More >> Related Stocks: SPDR Doubleline EM Fixed Income ETF SPDR Doubleline Short-Duration TR Tactical ETF SPDR Doubleline Total Return Tactical ETF