Micron Technology, the memory chip maker, is being hailed as one of the market's most crucial stocks, rivaling the importance of Nvidia and Alphabet.

Analyst Daniel O’Regan from Mizuho Securities made this assessment after Micron's fiscal Q3 2026 earnings crushed Wall Street estimates, sending shares up 13%.

The reason is a severe shortage of high-bandwidth memory, essential for AI. All of Micron's and competitor SK Hynix's production for 2026 is completely sold out. CEO Sanjay Mehrotra predicts this supply crunch will last through 2027 due to manufacturing limits and insatiable AI demand.

The company has secured $22 billion in customer agreements, reflecting the desperation of hyperscalers to lock in chip supply.

A new strategic alliance with AI company Anthropic, the maker of Claude, covers memory supply, architecture collaboration, and a financial investment, further cementing Micron's central role.

The supply constraints grant Micron significant pricing power, a major shift for the historically cyclical memory industry.