Shares in Iren, the Nasdaq-listed data-center operator, jumped approximately 20% after the company announced $4 billion in new contracts.
The surge highlights continued investor appetite for infrastructure plays tied to artificial intelligence demand, even as broader market sentiment remains mixed.
Google shares also advanced on reports of advancements in its chip technology, reinforcing the sector's momentum despite wider equity weakness.
The rally in Iren stands in contrast to a subdued session for major indices.
The S&P 500 edged higher in narrow trading, but eight of its 11 sectors closed lower, reflecting a lack of broad-based buying interest.
The Dow Jones Industrial Average slipped, weighed down by underperformance in technology and other cyclical names.