Large-cap stocks usually garner all of the attention, but Interactive Brokers (IBKR 1.50%), GreenLight Capital Re (GLRE 0.62%), Bank of the Ozarks (OZK -1.49%), and Portfolio Recovery Associates (PRAA -1.29%) 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.