Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

Our 80,000 qualified print subscribers—and 130,000 12-month engaged online audience—trust us to dive in and provide original journalism you won’t find elsewhere covering key emerging areas such as laser-driven inertial confinement fusion, lasers in space, integrated photonics, chipscale lasers, LiDAR, metasurfaces, high-energy laser weaponry, photonic crystals, and quantum computing/sensors/communications. We cover the innovations driving these markets.

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Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

3 Small-Cap Stocks Walking a Fine Line

RSI Cover Image

Small-cap stocks can be incredibly lucrative investments because their lack of analyst coverage leads to frequent mispricings. However, these businesses (and their stock prices) often stay small because their subscale operations make it harder to expand their competitive moats.

Luckily for you, our mission at StockStory is to help you make money and avoid losses by sorting the winners from the losers. Keeping that in mind, here are three small-cap stocks to avoid and some other investments you should consider instead.

Rush Street Interactive (RSI)

Market Cap: $1.13 billion

Specializing in online casino gaming and sports betting, Rush Street Interactive (NYSE: RSI) is an operator of digital gaming platforms.

Why Is RSI Not Exciting?

  1. Estimated sales growth of 12.4% for the next 12 months implies demand will slow from its two-year trend
  2. Subpar operating margin of 0.5% constrains its ability to invest in process improvements or effectively respond to new competitive threats
  3. Lacking free cash flow generation means it has few chances to reinvest for growth, repurchase shares, or distribute capital

Rush Street Interactive is trading at $11.78 per share, or 36.1x forward P/E. To fully understand why you should be careful with RSI, check out our full research report (it’s free).

Ruger (RGR)

Market Cap: $585.2 million

Founded in 1949, Ruger (NYSE: RGR) is an American manufacturer of firearms for the commercial sporting market.

Why Are We Out on RGR?

  1. Sales tumbled by 3.9% annually over the last two years, showing consumer trends are working against its favor
  2. Earnings per share have contracted by 26.8% annually over the last four years, a headwind for returns as stock prices often echo long-term EPS performance
  3. Diminishing returns on capital suggest its earlier profit pools are drying up

At $35.28 per share, Ruger trades at 10.9x forward EV-to-EBITDA. Dive into our free research report to see why there are better opportunities than RGR.

Shoals (SHLS)

Market Cap: $805.8 million

Started in Huntsville, Alabama, Shoals (NASDAQ: SHLS) designs and manufactures products that make solar energy systems work more efficiently.

Why Does SHLS Fall Short?

  1. Backlog growth averaged a weak 2.7% over the past two years, suggesting it may need to tweak its product roadmap or go-to-market strategy
  2. Revenue growth over the past two years was nullified by the company’s new share issuances as its earnings per share fell by 18.5% annually
  3. Shrinking returns on capital suggest that increasing competition is eating into the company’s profitability

Shoals’s stock price of $4.78 implies a valuation ratio of 11.3x forward P/E. Read our free research report to see why you should think twice about including SHLS in your portfolio.

Stocks We Like More

Donald Trump’s victory in the 2024 U.S. Presidential Election sent major indices to all-time highs, but stocks have retraced as investors debate the health of the economy and the potential impact of tariffs.

While this leaves much uncertainty around 2025, a few companies are poised for long-term gains regardless of the political or macroeconomic climate, like our Top 9 Market-Beating Stocks. This is a curated list of our High Quality stocks that have generated a market-beating return of 175% over the last five years.

Stocks that made our list in 2019 include now familiar names such as Nvidia (+2,183% between December 2019 and December 2024) as well as under-the-radar businesses like Axon (+711% five-year return). Find your next big winner with StockStory today for free.

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