Marvell shares extend 2026 surge of more than 265% after $2 billion NVIDIA deal; set to join S&P 500 on June 22

Marvell shares have surged more than 265% in 2026, hitting record highs after NVIDIA invested $2 billion at the end of March and agreed to co-develop silicon photonics. The company is set to be added to the S&P 500 Index on June 22. Marvell’s market value reached about $277 billion on June 4, and the stock was quoted at $287.47 in premarket trading. Its weight exceeds 6% in several semiconductor and AI-focused ETFs, which could magnify moves tied to fund flows.