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.

Laser Focus World is part of Endeavor Business Media, a division of EndeavorB2B.

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Following the Photons: A Photonics Podcast dives deep into the fascinating world of photonics. Our weekly episodes feature interviews and discussions with industry and research experts, providing valuable perspectives on the issues, technologies, and trends shaping the photonics community.

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 with Questionable Fundamentals

TILE 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.

Interface (TILE)

Market Cap: $1.59 billion

Pioneering carbon-neutral flooring since its founding in 1973, Interface (NASDAQ: TILE) is a global manufacturer of modular carpet tiles, luxury vinyl tile (LVT), and rubber flooring that specializes in carbon-neutral and sustainable flooring solutions.

Why Are We Hesitant About TILE?

  1. 1.8% annual revenue growth over the last five years was slower than its business services peers
  2. Earnings growth underperformed the sector average over the last five years as its EPS grew by just 1.9% annually
  3. Low returns on capital reflect management’s struggle to allocate funds effectively

Interface’s stock price of $27.26 implies a valuation ratio of 15x forward EV-to-EBITDA. To fully understand why you should be careful with TILE, check out our full research report (it’s free).

Root (ROOT)

Market Cap: $1.41 billion

Pioneering a data-driven approach that rewards good driving habits, Root (NASDAQ: ROOT) is a technology-driven auto insurance company that uses mobile apps to acquire customers and data science to price policies based on individual driving behavior.

Why Is ROOT Not Exciting?

  1. Book value per share tumbled by 158% annually over the last five years, showing insurance sector trends are working against its favor during this cycle
  2. Push for growth has led to negative returns on capital, signaling value destruction

At $90.64 per share, Root trades at 4.4x forward P/B. If you’re considering ROOT for your portfolio, see our FREE research report to learn more.

Stellar Bancorp (STEL)

Market Cap: $1.59 billion

Created through strategic mergers to serve the growing Texas business community, Stellar Bancorp (NYSE: STEL) is a Texas bank holding company that provides commercial banking services primarily to small and medium-sized businesses and professionals.

Why Are We Out on STEL?

  1. Sales stagnated over the last two years and signal the need for new growth strategies
  2. Overall productivity is expected to decrease over the next year as Wall Street thinks its efficiency ratio will degrade by 5.7 percentage points
  3. Loan losses and capital returns have eroded its tangible book value per share this cycle as its tangible book value per share declined by 3.7% annually over the last five years

Stellar Bancorp is trading at $30.94 per share, or 1x forward P/B. Check out our free in-depth research report to learn more about why STEL doesn’t pass our bar.

High-Quality Stocks for All Market Conditions

Donald Trump’s April 2025 "Liberation Day" tariffs sent markets into a tailspin, but stocks have since rebounded strongly, proving that knee-jerk reactions often create the best buying opportunities.

The smart money is already positioning for the next leg up. Don’t miss out on the recovery - check out our Top 6 Stocks for this week. This is a curated list of our High Quality stocks that have generated a market-beating return of 183% over the last five years (as of March 31st 2025).

Stocks that made our list in 2020 include now familiar names such as Nvidia (+1,545% between March 2020 and March 2025) as well as under-the-radar businesses like the once-micro-cap company Kadant (+351% five-year return). Find your next big winner with StockStory today for free. Find your next big winner with StockStory today. Find your next big winner with StockStory today

StockStory is growing and hiring equity analyst and marketing roles. Are you a 0 to 1 builder passionate about the markets and AI? See the open roles here.

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