Berkshire Hathaway (BRK.A 0.33%) (BRK.B 0.78%), AIG (AIG -0.67%), Progressive (PGR 0.09%), Allstate, and Greenlight Capital Re (GLRE 0.62%) represent a large portion of the insurance market – but what should investors be watching at these companies? In this segment from The Motley Fool's everything-financials show, Where the Money Is, financial-sector analysts Matt Koppenheffer and David Hanson discuss the importance of pricing and investment results.