Micron Technology Inc (MU) delivered the best one-year performance among AI stocks in June 2026, climbing 703.29% www.nerdwallet.com . The memory chip maker benefited from surging demand for high-bandwidth memory used in AI servers.

Top Performer

Micron's strategic focus on HBM (High Bandwidth Memory) for AI applications positioned it as a critical supplier in the AI infrastructure boom www.nerdwallet.com .