On August 10, Lumentum rose 4.38% in regular trading, trading at $905.355/share, with turnover of $435 million. The stock advanced ahead of its fiscal Q4 earnings report scheduled for August 11 after the close, as AI computing capacity constraints and strong revenue expectations drove sentiment.

On the news front, the company is set to report quarterly results with analyst consensus projecting revenue of approximately $9.89 billion, representing year-over-year growth of over 105%. Adjusted EPS consensus stands at approximately $2.99, compared to just $0.88 in the year-ago period. The core growth driver stems from sustained high-end optical component shipments and product mix upgrades lifting average selling prices. Additionally, institutional research indicates the AI computing supply chain has entered a phase where downstream demand is forcing upstream capacity expansion, with Lumentum's core optical components potentially sold out through 2028, significantly intensifying supply scarcity expectations.

The broader optical communications sector rallied in unison, with Coherent up 2.6% and Marvell Technology up 2.35%, providing further momentum through sector-wide strength.

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