Lumentum Holdings stock surges on AI data center demand

Lumentum Holdings saw a significant surge in its stock price, climbing over 18% during the week to close at $1,087.72. The performance was driven by increased investor enthusiasm for optical components, such as lasers and photonic chips, which are essential for data transmission within artificial intelligence computing clusters.

This rally was part of a broader trend in the semiconductor and optics sectors. Coherent Corp also experienced a notable rise of 17.69%, while chip-design software maker Synopsys Inc added 16.14%. Analysts from firms including Citigroup, Bernstein, and Rosenblatt have expressed optimism regarding Lumentum, citing the structural demand for optical data transfer as AI data centers expand to overcome the bandwidth and energy limitations of electrical connections.

Lumentum's recent financial performance includes a reported 109% revenue increase to $1.006 billion in its fourth fiscal quarter of 2026, with adjusted earnings per share rising by 267%.