Shares of 3D printing company Proto Labs (NYSE: PRLB) leapt 12.4% through 10:30 a.m. ET Friday after the company reported strong Q1 profits and revenues earlier in the morning.

Analysts had forecast that Proto Labs would earn only $0.23 per share (non-GAAP) on sales of $118.2 million this quarter. In fact, Proto Labs earned $0.30 per share on sales of $125.9 million, beating predictions on both the top and bottom lines.

That's the good news. Now here's the bad.

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Source Fool.com