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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If you’d like to write an article for us, reach out with a short pitch to Sally Cole Johnson: [email protected]. We love to hear from you.

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Laser Focus World produces a video newscast that gives a peek into what’s happening in the world of photonics.

Following the Photons: A Photonics Podcast

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 Volatile Stocks in the Doghouse

PKOH Cover Image

A highly volatile stock can deliver big gains - or just as easily wipe out a portfolio if things go south. While some investors embrace risk, mistakes can be costly for those who aren’t prepared.

These stocks can be a rollercoaster, and StockStory is here to guide you through the ups and downs. That said, here are three volatile stocks to avoid and some better opportunities instead.

Park-Ohio (PKOH)

Rolling One-Year Beta: 1.21

Based in Cleveland, Park-Ohio (NASDAQ: PKOH) provides supply chain management services, capital equipment, and manufactured components.

Why Is PKOH Risky?

  1. Sales stagnated over the last five years and signal the need for new growth strategies
  2. Gross margin of 15.1% is below its competitors, leaving less money to invest in areas like marketing and R&D
  3. 5.1 percentage point decline in its free cash flow margin over the last five years reflects the company’s increased investments to defend its market position

At $17.82 per share, Park-Ohio trades at 5.6x forward P/E. Check out our free in-depth research report to learn more about why PKOH doesn’t pass our bar.

Universal Logistics (ULH)

Rolling One-Year Beta: 1.16

Founded in 1932, Universal Logistics (NASDAQ: ULH) is a provider of customized transportation and logistics solutions operating throughout the United States and in Mexico, Canada, and Colombia.

Why Should You Sell ULH?

  1. Customers postponed purchases of its products and services this cycle as its revenue declined by 5.1% annually over the last two years
  2. Falling earnings per share over the last two years has some investors worried as stock prices ultimately follow EPS over the long term
  3. Free cash flow margin shrank by 9.6 percentage points over the last five years, suggesting the company is consuming more capital to stay competitive

Universal Logistics’s stock price of $25.51 implies a valuation ratio of 8x forward P/E. Read our free research report to see why you should think twice about including ULH in your portfolio.

Ziff Davis (ZD)

Rolling One-Year Beta: 1.35

Originally a pioneering technology publisher founded in 1927 that became famous for PC Magazine, Ziff Davis (NASDAQ: ZD) operates a portfolio of digital media brands and subscription services across technology, shopping, gaming, healthcare, and cybersecurity markets.

Why Do We Pass on ZD?

  1. Products and services are facing end-market challenges during this cycle, as seen in its flat sales over the last five years
  2. Sales over the last five years were less profitable as its earnings per share fell by 1.6% annually while its revenue was flat
  3. Free cash flow margin dropped by 17.6 percentage points over the last five years, implying the company became more capital intensive as competition picked up

Ziff Davis is trading at $31.62 per share, or 4.5x forward P/E. If you’re considering ZD for your portfolio, see our FREE research report to learn more.

High-Quality Stocks for All Market Conditions

Market indices reached historic highs following Donald Trump’s presidential victory in November 2024, but the outlook for 2025 is clouded by new trade policies that could impact business confidence and growth.

While this has caused many investors to adopt a "fearful" wait-and-see approach, we’re leaning into our best ideas that can grow regardless of the political or macroeconomic climate. Take advantage of Mr. Market by checking 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 Tecnoglass (+1,754% 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

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