Micron and Western Digital Rise 6%, SanDisk Gains 5% as Memory Stocks Rally Into Micron's Earnings - 24/7 Wall St.

As Micron Technology prepares to report its Q3 earnings, memory and storage stocks are rallying, with Micron up ~6%, Western Digital up ~6%, and SanDisk up ~5%. Despite geopolitical tensions between t... Read original →

The pre-earnings rally in memory stocks reflects not just optimism over a 'supercycle' but the AI infrastructure’s acute dependency on high-bandwidth, high-density NAND. Technologically, 3nm nodes and EUV lithography are forcing co-design upgrades in controllers, compelling OEMs like Apple to pass on costs. While U.S.-Iran tensions haven’t disrupted fabs, ongoing U.S. export controls have pushed Micron to shift test/assembly capacity to Taiwan, China and Malaysia—raising supply chain complexity. Facing Samsung and SK Hynix’s lead in HBM3e, Western Digital and Kioxia may accelerate BiCS FLASH layer stacking. If YMTC gains broader export clearance, pricing dynamics could shift dramatically. Over the next 18 months, surging QLC NAND demand from AI servers and edge devices will mask weak consumer electronics, but renewed capex expansion risks a 2027 oversupply crash.