Firn/iStock via Getty Images Today we're going to examine the difference in performance for 2 very high yielding REITs. These REITs both deliver huge dividends, but one is vastly more popular with investors. I want to help investors understand how interchangeable these REITs can be. AGNC Investment (AGNC) and Dynex Capital (DX) are both agency mortgage REITs. They have similar assets and highly correlated performance. Previously, I referenced that DX slightly outperformed AGNC from January 3rd, 2017 through ...