STMicroelectronics shares surge 5.06% intraday as Milan Stock Exchange cites tech sector rally linked to Marvell's $3.25B Celestial AI acquisition.

STMicroelectronics surged 5.06% intraday following the launch of its radiation-hardened low-voltage rectifier diodes for LEO satellites and the introduction of its next-generation STM32V8 microcontroller. The new LEO1N58xx diodes, designed for space-grade power management, highlight the company’s expansion into the New Space industry, leveraging automotive manufacturing standards for cost efficiency and radiation resilience. Simultaneously, the STM32V8 microcontroller, featuring 18nm FD-SOI technology and 800MHz performance, targets industrial automation and edge AI, with early adoption by SpaceX underscoring its strategic relevance. These product innovations, coupled with sector momentum from tech-driven gains in Milan, reinforced investor confidence in STMicro’s competitive positioning in high-growth markets.