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 tire maker Titan International (NYSE: TWI) saw its shares fall as much as 13% today after reporting earnings.

So what: Revenue increased 14% to $459.2 million, but it fell well short of the $492.1 million analysts had expected. On the earnings side, a similar story played out with earnings per share increasing to $0.56 from $0.46 a year ago, which was $0.08 short of estimates.

Now what: Titan is still performing well overall; it just didn't meet the high expectations of Wall Street this quarter. The stock still trades at less than 10 times trailing earnings, a great price for a growing and stable business. I think this is a temporary low and provides a good buying opportunity for investors.

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