NewsHK

AI demand cycle pulls Wall Street higher as Micron Technology surges 13%

7/21/2026

A fresh wave of capital rotating into artificial intelligence hardware lifted Wall Street broadly, pushing both the S&P 500 and Nasdaq higher in a session that played out despite Brent crude approaching $92 per barrel and persistent inflation concerns.

Micron Technology (MU) gained 13% to lead the AI hardware complex, while Nvidia (NVDA) extended its recent advance.

The AI trade's return: what the session's leaders reveal Interest in artificial intelligence returned as the session's organizing theme. Micron's 13% advance was the standout single-stock move in the group.

Memory chips sit upstream in the AI hardware supply chain, and a gain of this magnitude on a day when the broader AI trade found buyers suggests funds rotating into the sector are distributing capital across the stack, including the component layer.

Keep reading

Read the full story

Open on NewsHK