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 IT infrastructure company Solarwinds (NYSE: SWI) jumped 10% today after the company released fourth-quarter earnings.

So what: Revenue rose 34.3% in the quarter to $55.6 million, topping estimates of $53.65 million from analysts. Earnings per share of $0.29 beat estimates by $0.04.

Now what: This caps a strong year of growth for Solarwinds, with revenue growing 30% over last year. The company sees 2012 revenue between $245 million to $255 million and earnings of $1.10 to $1.15 per share. That was in line with what analysts had expected and would be another year of solid growth for the company.

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