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: Verifone Systems Inc. (NYSE: PAY) popped 11% in intraday trading today after the company beat earnings expectations for its first fiscal quarter and raised guidance.

So what: Non-GAAP EPS of $0.43 beat the consensus estimate of $0.39 as revenue grew 27% from the year-ago quarter. GAAP gross profit grew an impressive 36% while GAAP operating profit grew a stunning 82% year-over-year.

Now what: The company is benefiting from rapid growing in mobile payments. Guidance was raised to non-GAAP EPS of $0.42 to $0.43 for the current quarter and $1.75 to $1.80 for the fiscal year, compared to consensus expectations of $0.40 and $1.64, respectively. The forward P/E ratio is steep at 27 times non-GAAP EPS and roughly 34 times GAAP EPS, but seems more reasonable considering guidance calls for non-GAAP EPS growth of 33% to 36% in fiscal 2011.

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Fool contributor Cindy Johnson does not own shares of any company named above. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.