Micron and SanDisk slide in premarket trade after South Korean stock market rout - Crypto Briefing

Micron Technology and SanDisk shares plummeted in premarket trading on June 23, following a sharp downturn in South Korea's stock market, which saw the KOSPI index drop nearly 10%. The sell-off was le... Read original →

The Korean market rout triggered a repricing panic rooted in AI memory supply-demand misalignment. As core suppliers of HBM3E and NAND, SK Hynix and Samsung’s volatility directly undermines Micron’s pricing leverage in AI accelerators and forces SanDisk—fresh off a 40x surge—to reset its valuation anchor. Technically, DRAM-HBM co-packaging is at an inflection point; any production hesitation will delay CoWoS ecosystem deliveries. Geopolitically, U.S.-ROK export control alignment stabilizes supply chains short-term but inflates compliance costs. Over the next 12 months, only players with locked-in NVIDIA or AMD HBM contracts will survive; others face exit. The real long-tail effect? Capital expenditure cycles and AI compute demand are diverging for the first time—ending the era where 'AI adjacency' guaranteed stock surges.