Memory-chip shares extend losses
Story timeline · 5 updates, 12 Oct to 15 Oct 2026
US memory-chip shares fell early on Oct 12, with SanDisk down 6.74% and Micron, SK Hynix, Seagate and Western Digital lower. On Oct 15 losses deepened, with Kioxia's ADR down 10%, SanDisk and Seagate down over 8%, Western Digital over 7%, SK Hynix over 6% and Micron over 5%.
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US memory stocks fall early, SanDisk down 6.74%
US memory shares fell in early trading, with SanDisk down 6.74%, Micron's ADR down 6.08%, Micron Technology down 4.31%, SK Hynix down 4.09%, Seagate down 2.85% and Western Digital down 2.15%, per MSX.COM data. The Philadelphia Semiconductor Index fell 2.07%.
Memory-chip shares extend losses as Micron and SK Hynix fall over 5%
After the US open memory-chip shares extended declines, with Micron and SK Hynix down more than 5% and Western Digital and Seagate down more than 6%. Banks were mixed: JPMorgan rose 1.7%, Goldman Sachs gained over 3% and Wells Fargo fell nearly 3%.
SK Hynix extends decline to more than 12%
Gate data showed SK Hynix shares falling more than 12%, reaching their lowest level since 27 April.
Memory and optical communication shares slide, SK Hynix down over 6%
Memory and optical communication stocks fell, with SK Hynix down more than 6%, SanDisk and Western Digital each down over 5%, Micron and Corning each down over 4% and Marvell Technology down over 5%, according to MSX.COM data.
US memory-chip stocks fall further as Kioxia ADR drops 10%
US-listed memory stocks extended losses, with Kioxia's ADR down 10%, SanDisk and Seagate Technology down more than 8%, Western Digital down over 7%, SK Hynix down more than 6% and Micron Technology down over 5%, according to MSX.COM data.
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