Part 1: The Green Power Bubble that must Break off into another Bubble Before Popping

U.S. Silica Holdings: Energy Boom Should Power Shares Higher Thu, Jun 27 about: SLCA U.S. Silica Holdings (SLCA) is a small (market capitalization ~$1.1B) frac sand player I first covered around this time last year when shares were trading hands at $12 a share. I speculated the stock could double in an article on June 18th, 2012. The shares then rocketed past $28 a share earlier this year but have since fallen back to $20 a share currently. After making a huge gain after selling m... Full Story @ EPW Venture Capital

Can we justify the current stock prices with a Valuation of the 3 Main 3D Printing Companies

3D Systems: Food For Thought... And Concern Tue, Jun 25 about: DDD | includes: SSYS, XONE The 3D printing and rapid prototyping industry is a wonderful advancement in engineering that opens up exciting opportunities for many industries. For companies that make and sell products in mass, it gives them the ability to turn a design into a prototype in perhaps one-tenth the time of traditional manufacturing methods. For companies that sell custom, one-of-a-kind applications, such as a pers... Full Story: http://seekingalpha.com/article/1520662?source=android_share *** Never miss a critical update on your stocks! The Seeking Alpha Portfolio app is now the App Store's #1 portfolio app! Sync your portfolios, receive instant mobile notifications on your stocks & enjoy lightning-fast load times! Click the link below to download the free Portfolio app: http://seekingalpha.com/download-app?source=android_app_mail_article