Why optical stocks Lumentum and Coherent were the day s biggest S&P 500 gainers

Billy Odell Tucker-Robinson Founder & Host — Banking With Billy Network • Intelligence Network • Data Science • AI Research • World News
Published: 2026-09-16T21:52:11.439Z • Permanent link

Optical stocks Lumentum and Coherent were the day's biggest S&P 500 gainers, with Lumentum's stock price surging by over 15% and Coherent's by over 20%. The sudden surge was attributed to strong sales data from these two companies, which supply critical components to the burgeoning artificial intelligence (AI) and data center markets. According to data from FactSet, Lumentum's revenue grew by 10.5% in the latest quarter, driven by a significant increase in sales to major cloud infrastructure providers such as Amazon Web Services and Microsoft Azure. Coherent's revenue also rose by 14.1% during the same period, fueled by strong demand for its high-performance lasers used in various AI and data center applications.

Industry experts point to the growing importance of optical components in the AI and data center supply chain as a key factor driving these sales. "As AI and data center spending slow down, investors are looking further down the supply chain for signs of demand," said John Goodman, a senior analyst at Needham & Company. Goodman notes that Lumentum and Coherent are well-positioned to benefit from the growing demand for high-performance optical components, which are critical for the development of advanced AI and data center applications.

The surge in Lumentum and Coherent's stock prices was also driven by news that the US government has announced plans to invest $3.2 billion in the development of advanced AI and data center technologies. The investment, which is part of the US government's broader strategy to promote the development of emerging technologies, is expected to drive demand for high-performance optical components and other critical components used in AI and data center applications.

The sudden surge in Lumentum and Coherent's stock prices has significant implications for the data sources domain, which tracks the flow of information and data in the AI and data center markets. The growing demand for high-performance optical components is expected to drive up demand for data sources that provide critical information on AI and data center trends, including sales data, market research reports, and other data analytics services. As a result, companies that provide data sources to the AI and data center markets are likely to see increased demand for their services, which could drive up revenue and profitability.

The surge in Lumentum and Coherent's stock prices also has implications for research communities and markets that track the development of AI and data center technologies. The growing demand for high-performance optical components is expected to drive innovation in the field, which could lead to new breakthroughs and advancements in AI and data center applications. As a result, researchers and investors are likely to be watching Lumentum and Coherent closely for signs of further growth and innovation.

The impact of the surge in Lumentum and Coherent's stock prices on policy environments is also significant. The US government's investment in AI and data center technologies is expected to drive up demand for high-performance optical components and other critical components used in AI and data center applications. As a result, policymakers are likely to be watching the development of these technologies closely, in order to ensure that they are developed in a way that is safe, secure, and beneficial to the broader economy.