cnbc.com | Tech Follow 4 memory stocks are darlings of the AI boom. How they differ and why we own Micron While often trading together, these companies are not the same. https://www.cnbc.com/2026/08/21/4-memory-stocks-are-darlings-of-the-ai-boom-how-they-differ-and-why-we-own-micron.html cnbc.com