With shares of Annaly Capital Management (NLY 0.96%) down over 20% since the start of 2013, many value-seeking investors have surely turned their eyes toward the high-yielding mortgage REIT. But as always, there is more to the Annaly investing story than a double-digit dividend yield and a discount to its book value; investors need to understand any looming risks that could threaten that juicy dividend or the REIT's loan book.

With that in mind, we asked three Motley Fool contributors who follow Annaly to each highlight what they see as the biggest risk for the company going forward.