Large-cap stocks usually garner all of the attention, but Interactive Brokers (IBKR 0.67%), GreenLight Capital Re (GLRE -0.61%), Bank of the Ozarks (OZK -1.23%), and Portfolio Recovery Associates (PRAA 0.26%) 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.