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U.S.-listed storage stocks fall premarket, led by SK Hynix’s 4.4% drop

U.S.-listed storage stocks fall premarket, led by SK Hynix’s 4.4% drop

MSX data showed weakness across memory and storage names before the open, with Micron Technology, Western Digital, SanDisk and Seagate Technology also trading lower.

Fact Check
The Odaily flash '美股存储概念股盘前走低，SK 海力士(SKHY.O)跌 4.4%' directly confirms every element of the claim: MSX-sourced data, storage stocks falling premarket on 2026-07-30, SK Hynix down 4.4% (the largest, matching 'led by'), and Micron, Western Digital, SanDisk and Seagate all trading lower. The later flashes '美股芯片半导体板块盘前集体上涨' and '闪迪涨幅扩大至 20%' show a subsequent intraday reversal but describe a later time and do not contradict the earlier premarket observation the claim references.
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Summary

U.S.-listed storage-related stocks moved lower in premarket trading, with SK Hynix posting the steepest decline among the names cited. MSX data showed Micron Technology fell 2.6%, SK Hynix dropped 4.4%, Western Digital slipped 1.2%, SanDisk lost 1.5%, and Seagate Technology eased 0.1% before the U.S. market open.

Terms & Concepts
  • premarket trading: Stock trading before regular market hours
  • storage stocks: Shares of memory and data storage companies