Shares of Marvell Technology surged on Friday, hitting its all-time high as investor enthusiasm around artificial intelligence infrastructure and optical networking gathered pace. The stock rose more than 8% to hit a new high of $129.84, and closed at $128.49, marking its first record finish since January 23, 2025, according to Dow Jones Market Data. The rally also puts Marvell on track for its strongest weekly performance since December 2024. The latest gains reflect a combination of sector-wide momentum and company-specific developments, as investors increasingly position for the next phase of AI-driven data center expansion. AI and optical networking drive renewed momentum Marvell’s resurgence comes despite earlier concerns that it could fall behind in the AI race. The company, which...