The Motley Fool·2026-03-21 09:12分组1: Micron Technology - Micron Technology's shares have risen 62% in 2026, driven by significant increases in revenue and earnings [1] - Despite its strong performance, Micron has been outperformed by Lumentum and Western Digital, which have seen gains of 90% and 77% respectively [1] 分组2: Lumentum - Lumentum is positioned in a fast-growing AI niche, providing essential connectivity for AI data centers [3] - The company offers optical and photonic products that enhance network bandwidth and enable high-speed data transfers, leading to high demand from hyperscalers [4] - Lumentum's revenue for the first half of fiscal 2026 increased by 62% to $1.2 billion, with non-GAAP earnings jumping 367% year over year to $2.80 per share [7][8] - The company anticipates an 85% year-over-year revenue increase in the current quarter, with earnings guidance at $2.25 per share, nearly quadrupling from the previous year [9] - Analysts expect Lumentum's growth momentum to continue as AI data center build-outs remain strong [10] 分组3: Western Digital - Western Digital has benefited from a storage boom driven by AI data centers, with demand for hard-disk drives (HDDs) surging [14] - The company reported a 26% year-over-year revenue increase to $5.83 billion in the first half of fiscal 2026, with earnings doubling to $3.92 per share [16] - Western Digital has sold out its HDD capacity for 2026 and is entering long-term agreements with customers for future capacity [17][18] - The AI-centric storage market is projected to grow at a 25% compound annual growth rate through 2032, indicating continued revenue growth for Western Digital [18][19]