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: LSI (NYSE: LSI) popped 17% in intraday trading today after it  reported inline earnings and a strong outlook.

So what: Second-quarter non-GAAP EPS of $0.10 fell 10% year over year but was in line with the consensus estimate.    

Now what: Management guided third quarter non-GAAP EPS to $0.11 to $0.17 and revenue to $535 million to $565 million, which compare favorably to the consensus forecasts of $0.12 and $511 million, respectively. The CEO noted that the guidance "implies strong operating margin expansion in the third quarter, demonstrating the earnings leverage we have created." If the company can maintain the higher margins beyond the third quarter, EPS estimates are likely to prove too low.

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