(AAMC has a market cap of $490M and the shares are fairly illiquid.)
AAMC (original writeup) is the asset manager of RESI. Asset managers can be extremely attractive investments because they have the potential to grow earnings dramatically. The underlying business model revolves around buying up non-performing loans (NPLs) and resolving them (e.g. loan mods, selling REO properties, and converting NPLs into rental units). Over time, RESI will accumulate rental housing units.
I think of AAMC as a play on investors chasing yield in the current low-interest rate environment and doing silly things such as overpaying for dividend yield.