MU is trading at $522.70 (+3.5%) in after-hours as investors engage in bargain hunting following a volatile regular session.

  • The stock closed at $504.29 (-3.86%) on April 28, 2026, amid a broader decline in the semiconductor space.
  • Market pressure was driven by OpenAI missing revenue and user growth targets, which triggered a selloff across AI-linked chipmakers including Nvidia.