Real estate investment trusts that invest in MBS and other mortgage-related assets are having a field day this year, raising billions of dollars in new capital while seeing their share prices increase across the board. Moreover, according to an analysis by Inside MBS & ABS, several top-ranked REITs are now trading much closer to their 52-week highs than their lows while maintaining hefty dividend payments to their shareholders. Annaly Capital Management, for example, the largest holder of agency MBS at $75.2 billion, is...