When Stratasys (NASDAQ:SSYS) reported earnings last week, the company raised its full-year revenue guidance estimates, sending shares to fresh all-time highs. However, Fool.com contributor Steve Heller wonders if the move was justified, considering that the raise in guidance was only due to incorporating the MakerBot acquisition into the company's results. Check out the video below to get the full story.

Fool contributor Steve Heller has no position in any stocks mentioned. The Motley Fool recommends Stratasys. The Motley Fool owns shares of Stratasys. Try any of our Foolish newsletter services free for 30 days. 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.