Major memory chipmakers experienced a sharp selloff on July 28, 2026, as investor anxiety mounted ahead of upcoming earnings reports from big technology firms.
SanDisk shares dropped 9% to $1,168.69, while Micron Technology fell 7% to $839.66 and Western Digital declined 8% to $456.24.
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The pullbacks extend recent sector weakness despite strong multi-quarter financial results driven by artificial intelligence demand.
The sector-wide decline reflects market nervousness over massive tech capital expenditures, potential low-cost competition from Chinese chipmaker CXMT, and profit-taking following extraordinary year-to-date gains.
Analyst View on the Dip
Analyst commentary suggests the dip is driven by short-term trading momentum rather than deteriorating fundamentals.
UBS strategist Mark Haefele attributed the weakness to fragile sentiment ahead of mega-cap technology earnings reports scheduled later in the week.
Financial metrics across the sector remain strong despite the market pullback.
SanDisk reported third-quarter revenue of $5.95 billion, up 251% year over year, while Micron posted revenue of $41.46 billion with an 84.6% gross margin.
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Broader industry supply constraints persist across high-bandwidth memory (HBM) and standard DRAM segments.
Industry leadership remains focused on long-term supply agreements and capacity expansion to navigate tight supply conditions.
Deutsche Bank projects a 10% DRAM shortfall in 2026, which could widen to nearly 29% by 2028.
"Retail traders have watched this rally from the sidelines because getting exposure meant opening a U. S.
equity account and trading only during market hours," said a WEEX spokesperson.
Major cloud providers including Amazon and Meta Platforms continue to expand their infrastructure budgets, providing multi-year revenue visibility for memory producers.
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Investors now await quarterly earnings reports from Microsoft, Meta Platforms, Apple, and Amazon to gauge future capital spending direction.
