Why lower rates should bode well for the stockWith a forward dividend yield of about 14%, AGNC Investment (AGNC 1.82%) is a stock that likely shows up on a lot of income-focused investors' radars. The mortgage real estate investment trust (mREIT), which buys government agency mortgage-backed securities (MBS), has had a difficult few years due to increasing interest rates that have reduced the value of its holdings.With the mREIT recently reporting its second-quarter results, let's see if there are signs of ...