After Monday's tornado in Oklahoma, Allstate (NYSE:ALL), Progressive Insurance (NYSE:PGR), and Traveler's Companies (NYSE:TRV) all fell in the market. Along with AIG (NYSE:AIG), these insurance companies represent four of the top 10 providers for property and casualty insurance in the U.S. But when disaster strikes, should investors flee, or hunker down and wait it out?

In the video below, Motley Fool contributor Jessica Alling discusses the effect of catastrophic losses, what the insurance companies are doing about them, and how investors should feel about insurers going forward.

Fool contributor Jessica Alling has no position in any stocks mentioned -- you can contact her here. The Motley Fool recommends American International Group and Progressive. The Motley Fool owns shares of American International Group 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.

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