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 industrial engineering specialist EnPro Industries
So what: EnPro insiders have been buying the stock over the summer, and now we know why: The third-quarter report trounced analyst estimates on both the top and bottom lines. The fourth-quarter outlook also blasted Wall Street's expectations out of the water.
Now what: Whichever of the reported jump levels you look at, EnPro deserved every bit of it and then some. The company's operating margins are much stronger than those of rivals Federal-Mogul
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