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 Kenexa (Nasdaq: KNXA) surged as much as 25% today after the human resources software supplier once again beat quarterly financial targets.

So what: After accounting for charges related to last year’s acquisition of, non-GAAP revenue rose 58.8% to $71.3 million while adjusted profit improved 38.5% to $0.18 a share. Analysts had been looking for $66.9 million and $0.17, respectively, according to data compiled by Yahoo! Finance.

Now what: Early investors must be loving the momentum; shares of Kenexa have doubled over the past 52 weeks as the underlying business has improved. Management expects further gains in the second half, projecting $271 to $275 million in full-year revenue and $0.77 to $0.80 in profits. Wall Street had been calling for $0.77 on $270 million in revenue. Are you buying at these levels? Selling? Weigh in using the comments box below.

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Fool contributor Tim Beyers is a member of the Motley Fool Rule Breakers stock-picking team. He didn’t own shares in any of the companies mentioned in this article at the time of publication. Check out Tim's portfolio holdings and Foolish writings, or connect with him on Google+ or Twitter, where he goes by @milehighfool. You can also get his insights delivered directly to your RSS reader.

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