The Best Small-Cap Stocks to Buy Right Now

By Andrew

Image Source: Getty Images.

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"Notice the small things. The rewards are inversely proportional."

--Liz Vassey

In investing as in life, big things can come in small packages, which is exactly the idea behind investing in small-cap stocks. However, investing in small-cap companies can seem like something of a black box to many investors. So to jump-start this discussion, what exactly are small cap stocks?

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Though no absolute definition exists, small-cap stocks are generally companies with market capitalizations between $200 million and $2 billion. Because of their relatively diminutive size, small-cap stocks often exhibit higher growth rates than more established companies, which, importantly, can also bring greater risk. Here's a chart of a few of the best small-cap stocks on the market today.

Data Source: Google Finance.

Importantly, this brief overview falls well short of providing enough information about each of the small-cap companies. Let's dive deeper into each company to see why these names are indeed the best small-cap stocks to buy now.

Popeyes Louisiana Kitchen

Though its near-term earnings reports have had some light operational headwinds, Popeyes Louisiana Kitchen's (NASDAQ: PLKI)broader results demonstrate the true power of the regional fast-food chain's business model.

PLKI data by YCharts.

Operating under the name AFC Enterprises before 2014, the company is a prime example of the impressive cumulative effects that a winning business model can produce over time. Let's run through both pieces of this money-making equation.

Popeyes Louisiana Kitchen has a longtime track record of balancing consistent growth with impressive profitability. Since the company was originally recommended by our Hidden Gems service, the small-cap restaurant chain has gradually increased its market share in the domestic chicken quick-service restaurant (QSR) category from just over 20% in 2013 to 25.5% at the end of 2015 to 26.3% in its most recent quarterly report.

The company has also been able to increase domestic same-store sales for an impressive 21 straight quarters. In terms of profitability, the company's shrewd mixed use of franchising and company-owned stores has allowed it to consistently maintain margins in the mid-to-high teens.

Image Source: Popeyes Louisiana Kitchen.

Over the long term, the company hopes to maintain an adjusted EPS growth rate of between 13%-15%. At first glance, Popeyes' 20 times forward P/E ratiomight seem expensive. However, as a company with a battle-tested recipe for results firmly in place, Popeyes seems likely to handily outgrow its current valuation for long-term investors in this small-cap growth stock.

Proto Labs

You've probably heard of 3D printing, which has been touted as one of the next major tech trends set to reshape the manufacturing industry. Intriguingly, one of the companies poised to capitalize on this generational trend is small-cap stock Proto Labs (NYSE: PRLB). Like many great start-ups, Proto Labs was conceived because of a deficiency in the marketplace for small-batch design and manufacturing, and it presents a fantastic opportunity for small-cap investors today.

Frustrated by the extreme costs and time delays associated with small-batch design and manufacturing of industrial parts, Proto Labs founder Larry Lukis sought to create a better way for small businesses to design and buy injection-molded plastic prototype parts. He created his own design software and harnessed the power of 3D printing to found Proto Labs, which has moved into a number of other areas of industrial design and manufacturing. The results have been compelling, to say the least.

In its fiscal year (FY) 2015, the company served over 27,000 product developers and engineers and produced annual sales of over $250 million. Looking at the bigger picture, the company estimates that it enjoys a $20 billion estimated total addressable market.

Equally noteworthy for a high-growth start-up, Proto Labs is already enviably profitable. In its FY 2015, the company grew sales 25%, while also maintaining a 58.6% gross margin and a 25.4% operating margin, which is quite close to the long-term financial model it also foresees.

Trading at 25 times forward earnings -- roughly in line with the S&P 500's trailing-12-month P/E ratio -- Proto Labs looks like a relatively cheap small-cap stock given its big-ticket growth potential.

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Andrew Tonner has no position in any stocks mentioned. The Motley Fool owns shares of and recommends Proto Labs. The Motley Fool recommends Popeyes Louisiana Kitchen. 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.