The AI memory trade finally cracked.
Micron (MU), Samsung (005930.KS), SK Hynix (000660.KS) and the Roundhill Memory ETF (DRAM) are all down more than 20% from recent closing highs, turning one of 2026’s hottest trades into a bear market just as Samsung’s record profit failed to impress investors
This embedded content is not available in your region. Samsung did not miss on earnings. Its estimates for operating profit of $59 billion and sales of $113 billion were monster numbers — which is what makes the sell-off more telling.
The damage is no longer contained to a few memory names. Semiconductor stocks in Yahoo Finance’s basket have lost roughly $1.5 trillion in market value since June 25, based on Tuesday intraday prices. Micron alone is down nearly $350 billion over that stretch.