Micron stock price today: MU steadies after Friday jump as HBM4 pricing chatter grows
Micron shares rose 2.6% to $428.17 Friday, then slipped 0.3% after hours, as a South Korean report said Samsung may price new HBM4 chips 20–30% above HBM3E. The Philadelphia semiconductor index gained 1.1%. Investors await Nvidia’s earnings call Wednesday, seen as a key signal for AI hardware demand.