The price of agency MBS has been rising since early April, which can only mean good things for publicly-traded real estate investment trusts that own the asset class. However, REIT share prices haven’t improved much of late, with some companies such as Annaly Capital Management continuing to trade closer to their 52-week lows than their highs. Late this week, for instance, Annaly – one of the largest MBS investing REITs – was trading at $11.30 compared to a 52-week high of $15.98 and a low of $9.66. But better days may be...