Core Insights - Lumentum (LITE) is experiencing significant growth in optical circuit switches (OCS) and co-packaged optics (CPO), indicating that the growth story is still in its early stages [1] Group 1: Demand and Backlog - OCS demand is accelerating, with the company's backlog exceeding $400 million, primarily for shipments in the second half of calendar 2026 [2] - Broad-based demand from multiple hyperscaler customers is driving the backlog expansion, with a higher run rate anticipated for fiscal 2027 [2] - An incremental multi-million-dollar order for ultra-high-power lasers for CPO in the first half of calendar 2027 highlights strong customer engagement [2] Group 2: Financial Performance - In Q2 fiscal 2026, revenues increased by 65.5% year over year to $665.5 million, with non-GAAP operating margin expanding over 1,700 basis points [3] - The Zacks Consensus Estimate for Q3 revenues is $805.39 million, reflecting an 89.41% year-over-year growth [3][7] - The swelling OCS backlog and extending CPO orders suggest further upside potential for Lumentum [3] Group 3: Competitive Position - Lumentum has a competitive edge over peers like Marvell Technology (MRVL) and Coherent Corp (COHR) in the optical networking and AI infrastructure sectors [4] - Lumentum's differentiated position in OCS and expanding backlog across multiple hyperscaler customers provide a decisive advantage [4] - The opportunity in external light source modules further strengthens Lumentum's competitive position against Marvell and Coherent [4] Group 4: Share Price and Valuation - Lumentum shares have increased by 446.7% over the past six months, outperforming the Zacks Communication - Components industry (151.1%) and the Zacks Computer and Technology sector (10.6%) [5] - The stock is currently trading at a forward 12-month Price/Sales ratio of 11.82X, compared to the industry's 5.97X [9] - The Zacks Consensus Estimate for Q3 fiscal 2026 earnings is $2.24 per share, indicating a growth of 292.98% year over year [11]