Key Takeaways Micron Technology posted record quarterly sales as the memory chip maker's data center business grew. Its outlook for the current quarter also topped estimates, offering another strong signal of AI demand. Micron Technology (MU) shares climbed in extended trading Tuesday after the memory chip maker posted record quarterly sales, boosted by surging demand for AI hardware. Both figures topped analysts' estimates compiled by Visible Alpha as Micron's data center business grew. “In fiscal 2025, we achieved all-time highs across our data center business and are entering fiscal 2026 with strong momentum and our most competitive portfolio to date.