Earnings season is well upon us, with three big players in the insurance field -- AIG (NYSE:AIG), Allstate (NYSE:ALL), and Markel (NYSE:MKL) -- set to announce earnings in the next few days. With some trends already spotted in the earnings of Progressive (NYSE:PGR) and Traveler's Companies (NYSE:TRV) earlier this month, Motley Fool contributor Jessica Alling has a few key items for investors to look out for. In the video below, she details the key items, what we've seen so far, and how investors should evaluate moves by the companies. 

Fool contributor Jessica Alling has no position in any stocks mentioned -- you can contact her here. The Motley Fool recommends American International Group and Markel. The Motley Fool owns shares of American International Group and Markel and has the following options: Long Jan 2014 $25 Calls on American International Group. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.