Why Micron Stock Skyrocketed to a New All-Time High Today - The Motley Fool

Micron Technology's stock surged to a new all-time high following a blockbuster earnings report that highlighted a 346% year-over-year revenue increase to $41.5 billion in Q3. The surge was driven by ... Read original →

Micron’s record stock surge reflects structural tightness between AI-driven HBM demand and lagging supply, not speculative euphoria. Technologically, HBM3E/HBM4 integration is now mandatory for next-gen AI accelerators, forcing TSMC to prioritize CoWoS capacity for memory interfaces—raising barriers across the AI chip stack. While U.S. export controls temporarily boost Micron’s pricing power outside mainland China, they inflate long-term supply chain redundancy costs and accelerate HBM localization efforts in Taiwan, China and South Korea. Facing aggressive HBM3E ramp-ups by Samsung and SK Hynix, Micron must sustain elevated capex to preserve its technology lead. Even if AI server growth moderates, edge AI and on-device LLMs will sustain premium DRAM shortages over the next 18 months, locking in a high-margin regime—provided geopolitical tensions remain contained.