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What: Electronics for Imaging (Nasdaq: EFII) popped 21% in intraday trading today after preliminary first-quarter results walloped expectations.

So what: The company issued a press release updating first-quarter guidance to revenue of $139 million to $140 million and non-GAAP EPS of $0.27 to $0.28. That compares to prior guidance of $128 million in revenue and non-GAAP EPS of $0.14 to $0.16. The consensus forecast called for revenue of $128 million and non-GAAP EPS of $0.16.

Now what: The press release indicated that "robust demand" across all three business segments drove first-quarter revenue growth of about 25% year-over-year. It also said strategic initiatives aimed at improving profit margins are showing "solid results." The company plans to report detailed first-quarter results after the market closes on April 25.

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