In this video, analyst John Reeves looks back on one of the Fool's pieces on the market's top 10 stocks of 2012 and notes some important trends for investors to take away. John tells us about the housing recovery trend we saw in 2012 that buoyed several different sectors with links to housing, and gives us three key companies that really took off in 2012 as a result. He also discusses the 3-D printing revolution and the two big names in 3-D printing, Stratasys (NASDAQ:SSYS) and 3D Systems (NYSE:DDD), which tripled, or even quadrupled, investments in 2012.

John Reeves has no position in any stocks mentioned. The Motley Fool recommends 3D Systems, Lumber Liquidators, and Stratasys. The Motley Fool owns shares of 3D Systems, Lumber Liquidators, 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.