Navitas Semiconductor is trading 4.00% up now at $10.39 after announcing a 24-kilowatt power-delivery board developed with NVIDIA for next-generation AI data centers. - The 800V-to-12V board supports NVIDIA’s MGX ecosystem and targets 97% full-load efficiency; reports linked the collaboration to the overnight gain. - This contrasts with semiconductor-sector weakness: Reuters cited China’s CXMT competition concerns and AI-spending jitters. Shares had fallen 7.33% on October 12 before rebounding.