Seven of the Best Stocks to Buy Now in Four of the Most Profitable Sectors

Best stocks to buy for the week ending Aug. 29, 2014: Last week for Money Morning Members, we highlighted seven stocks that bring readers the "best of the best" in four sectors currently overflowing with upside potential.

One pick hails from the 3D printing market that's expected to quadruple within the next four years. Another is in the fleet and fuel management sector - it's rapidly growing at a compound annual growth rate of 22.8%. We've got three energy stocks to buy from the most productive natural gas region in the United States. And we highlighted two silver ETFs that play some promising numbers that were just reported from August.

You can find all of last week's tips and recommendations here in our newest list of the best stocks to buy now.  

Money Morning's Latest "Best Stocks to Buy" List

A 3D-printed guitar. Source: on3dprinting.com

• 3D printing technology has been around for a few years now, but it's still a rapidly growing field. According to a March report from tech analysis firm Canalys, the 3D printing market (including printer sales, materials, and associated services) brought in $2.5 billion globally in 2013. In 2014, that number's expected to grow to $3.8 billion - and it'll more than quadruple to $16.2 billion by 2018. That's why 3D printing has so much potential to hand tech investors outsized gains. Last week, Money Morning Defense & Tech Specialist Michael A. Robinson told readers there's one company in 3D printing that's "poised for a fresh breakout." It already has more than 400 patents, and it partnered up with Google (Nasdaq: GOOG, GOOGL) last year on a groundbreaking project that's set to debut in 2015...

• Robinson also recommended to readers a pick in another sector with massive upside potential for investors. The fleet and fuel management market is expected to grow from $10.91 billion in 2013 to $30.45 billion by 2018, according to a report from market research firm MarketsandMarkets. That's a whopping compound annual growth rate (CAGR) of 22.8%. Robinson first recommended this stock back in May 2013, and since then, it has skyrocketed almost 90% - and it's not even close to finished. On Aug. 12, the company made a "very strategic acquisition" that's going to place it in several new and growing business lines. "[This company] will continue filling their portfolio's tank - and yours, too - for years to come," Robinson said...