On August 12, Lumentum rose 3.19% in after-hours trading to $845.37 per share, with turnover of $574 million, following the release of fiscal Q4 results that exceeded Wall Street expectations across all key metrics.

Lumentum reported fiscal Q4 adjusted EPS of $3.23, beating the consensus estimate of $2.97 by 8.75%, representing a 267% increase from $0.88 per share in the year-ago period. Net revenue reached $1.01 billion, up from $480.7 million a year earlier, surpassing the $987.9 million estimate. Adjusted gross margin came in at 50.4%, above the 48.8% expectation. The CEO highlighted that data centers are increasingly turning to optical links, reflecting surging AI-driven demand for high-speed optical components.

Notably, fiscal Q1 guidance significantly exceeded expectations, with projected adjusted EPS of $4.05 to $4.35 versus the $3.61 consensus, and revenue of $1.23 billion to $1.28 billion versus the $1.16 billion estimate. However, the company recorded a GAAP net loss of $7.2 billion due to a one-time $7.8 billion non-cash debt extinguishment charge from converting convertible notes to equity, which may temper near-term sentiment despite the strong operational performance.

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