Large-cap stocks usually garner all of the attention, but Interactive Brokers (IBKR -0.41%), GreenLight Capital Re (GLRE 0.99%), Bank of the Ozarks (OZK 0.10%), and Portfolio Recovery Associates (PRAA 1.43%) may be four smaller companies that deserve a look. In this segment of The Motley Fool's financials-focused show, Where the Money Is, financial-sector analysts Matt Koppenheffer and David Hanson discuss these four companies.