WDC is trading 5.1% up at $482.86 following a strong sector-wide move in AI and memory-chip names.
- The advance follows Nvidia's blowout quarterly results and expanded AI-related spending, which has boosted sentiment across the semiconductor and storage sectors.
- Investors are increasingly optimistic about AI infrastructure demand and its positive impact on storage suppliers.
- There is no major company-specific news for Western Digital; the stock is moving in tandem with broader industry enthusiasm.