Alpha & Omega Semiconductor's stock surged 6.52% in pre-market trading on Wednesday, marking a significant upward movement for the power semiconductor company.

The gain appears to be part of a broader sector rally, as investors shift focus to power semiconductor stocks as the next area to capitalize on the artificial intelligence boom. The surge is driven by the growing energy demands of increasingly larger AI data centers, which require advanced power management solutions.

Multiple power-chip stocks were gaining in early trading, reflecting heightened investor interest in companies that enable the high-power infrastructure needed for next-generation AI systems.