Lumentum(US:LITE) Ge Long Hui·2026-02-04 09:36Core Insights - Lumentum's stock surged 7.5% to $467.99 in pre-market trading following a strong earnings report, with Q2 revenue for fiscal year 2026 reaching $665.5 million, a 65% year-over-year increase. The AI business is identified as a key growth driver, with backlog orders for optical circuit switches (OCS) exceeding $400 million and new multi-million dollar contracts for packaged optics (CPO) [1] - The company provided a robust Q3 guidance, expecting revenue between $780 million and $830 million, which represents over an 85% year-over-year growth. The CEO highlighted that the explosive growth in bandwidth and energy efficiency demands from AI data centers is leading Lumentum into its strongest growth cycle in history [1] Financial Performance - Q2 revenue: $665.5 million, up 65% year-over-year [1] - Q3 revenue guidance: $780 million to $830 million, over 85% year-over-year growth [1] - OCS backlog: over $400 million [1] - New CPO contracts: several million dollars [1] Stock Performance - Pre-market price: $467.99, up 7.5% [2] - Closing price on February 3: $435.10, up 2.76% [2] - 52-week high: $464.00 [2] - Total market capitalization: $31.066 billion [2]