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 food service company Darling International (NYSE: DAR) jumped 10% today after the company released earnings.

So what: When it comes to making analysts' estimates look foolish, Darling did an excellent job this quarter. Revenue was $439.9 million and easily passed estimates of $367.6 million, while earnings per share hit $0.43 -- well above the $0.29 "experts" predicted.

Now what: High finished-product prices helped the company beat estimates, and the Griffin Industries acquisition gave the company a boost. I would be a bit more excited if the company made a habit of beating estimates, but over the last four quarters the company has fallen short of expectations. Still, I like the stock trading at just 15 times 2011 estimates -- especially if finished product prices remain high.

Interested in more info on Darling International? Add it to your watchlist.

Fool contributor Travis Hoium does not have a position in any company mentioned. You can follow Travis on Twitter at @FlushDrawFool, check out his personal stock holdings or follow his CAPS picks at TMFFlushDraw.

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