Micron vs. SanDisk: 2 AI Memory Winners, But Only 1 Is Built for the Long Term

Memory stocks are no longer trading based on the traditional semiconductor cycle. In the AI era, memory makers like SanDisk (SNDK) and Micron Technology (MU) have become critical as an enormous amount of data has to be stored, retrieved, and moved as AI models become larger and more complicated. That shift has helped send both MU and SNDK stocks soaring triple digits in 2026. But the rally isn’t over yet. Wall Street expects both companies to post another year of explosive earnings growth.

But which stock has the stronger long-term runway from here?