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NVIDIA invests $2 billion in Marvell Technology as part of an expanded NVLink Fusion partnership to strengthen its AI infrastructure position against Broadcom and Astera Labs.
US optical communication stocks surged as the Trump administration weighs banning Chinese optical transceiver imports, lifting Coherent, Lumentum, and Corning.
US stocks closed at records as a 6.9% semiconductor surge and AI-linked earnings lifted the S&P 500 to 7,737.70.
The Dow and S&P 500 opened at record intraday highs Tuesday as the Philadelphia Semiconductor Index jumped 3.63 percent on a broad AI hardware rally.