In the following video, Motley Fool industrials analyst Isaac Pino takes a question from a Fool reader, who writes, "Sell in May and stay away, will this affect 3D Systems (NYSE:DDD) and Stratasys (NASDAQ:SSYS) this year? Last year it didn't show much of a drop, but now that the stock is more popular ... will it drop?"

Isaac Pino, CPA owns shares of General Electric. The Motley Fool recommends 3D Systems and Stratasys. The Motley Fool owns shares of 3D Systems, General Electric, and Stratasys and has the following options: Short Jan 2014 $55 Calls on 3D Systems and Short Jan 2014 $30 Puts on 3D Systems. 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.