Western Digital's stock rose in overnight trading on May 21, 2026. External technology sector factors drove this momentum, rather than a specific company announcement.
Two industry events drove the upward trend for Western Digital and other memory chip manufacturers.
Nvidia reported blowout quarterly earnings. This report signaled robust, ongoing demand for AI data center infrastructure, which benefits storage providers like Western Digital.
Samsung Electronics averted a potential strike by reaching a tentative pay deal. This agreement eased concerns about supply chain disruptions.