Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.
What: Shares of credit insurer Radian Group
So what: Fellow mortgage insurance providers MGIC Investment
Now what: MGIC's troubles spell bad news for the entire mortgage insurance industry, because the terrible results stem from a sudden rise in claim payouts. A rising tide lifts all boats, but a bone-dry riverbed also leaves everybody equally stranded. Nearly 14% of MGIC's insured mortgage loans are currently delinquent.
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