A stock market index made up of the 100 largest non-financial companies listed on the Nasdaq exchange, ranked by the total value of their publicly traded shares. Think of it as a single basket or scoreboard that tracks how a group of prominent, mostly tech- and growth-oriented firms are performing together; investors use it as a benchmark to gauge market trends, build funds or ETFs, and get broad exposure to large-cap Nasdaq-listed stocks.
ai-driven infrastructuretechnical
AI-driven infrastructure is the combination of hardware, software and networks that use artificial intelligence to automate, optimize and adapt core operational systems — like data centers, cloud services, supply chains or factory controls. For investors it matters because this ‘smart backbone’ can lower costs, improve performance and scale faster than traditional systems, potentially boosting profits and competitive advantage while also introducing technology and implementation risks to monitor.
co-packaged opticstechnical
Co-packaged optics are optical components—lasers and fiber interfaces—physically packaged together with a network switch’s main processing chip so light-based data links sit much closer to the chip instead of traveling over long electrical traces. For investors, this matters because it can dramatically cut power use, boost data speed and density, and lower system costs in large data centers and telecom equipment, much like moving a power outlet next to a heavy appliance to avoid long, inefficient extension cords.
optical circuit switchestechnical
An optical circuit switch is a device that routes data carried as pulses of light through fiber-optic networks by physically connecting one light path to another, like a railway switch that steers trains onto different tracks. For investors, these switches matter because they can dramatically increase network speed and energy efficiency while reducing operating costs in data centers and telecom networks, influencing the performance and capital needs of companies that build or use large-scale networking infrastructure.
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SAN JOSE, Calif.--(BUSINESS WIRE)--
Lumentum Holdings Inc. ("Lumentum"), a leading designer and manufacturer of innovative optical and photonic products, today announced its inclusion in the Nasdaq-100 Index®, marking a significant milestone in its journey over the past year. The company is expected to join the index prior to market open on Monday, May 18, 2026.
“Lumentum’s inclusion in the Nasdaq-100 underscores the critical role our optical products play in AI-driven infrastructure,” said Michael Hurlston, President and CEO. “As the speed and bandwidth inside data centers increase, so does the need for optical solutions. We are just beginning to see the first use cases of co-packaged optics, optical circuit switches and 200G lasers.
“This milestone enhances our visibility with global investors and reflects deep market confidence in our ability to scale the physical layer of the internet, driving both economic growth and technological progress in the communities where we operate.”
Launched in January 1985, the Nasdaq-100 Index® represents a premier benchmark for global growth by featuring the world's most innovative leaders in technology and advanced infrastructure.
About Lumentum
Lumentum (NASDAQ: LITE) is a global leader in optical and photonic technologies that power the networks and infrastructure behind AI, cloud computing, and next-generation communications. Built on decades of photonics innovation, Lumentum delivers high-performance lasers, modules, and optical subsystems that enable scalable, energy-efficient data center connectivity, advanced telecom networks, industrial manufacturing, and sensing applications. Headquartered in San Jose, California, the company operates R&D, manufacturing, and sales facilities worldwide. Learn more at www.lumentum.com.
