Bullish

Western Digital Drops 12.1% as Philadelphia Semiconductor Index Falls 5%

2026-07-28 21:51:58

Broad U.S. AI hardware correction sees Western Digital down 12.1% and Seagate down 11.35%, while the Philadelphia Semiconductor Index declines 5%. Major chipmakers NVIDIA and TSMC also record losses.

Woofun AI data shows that individual stocks in the U.S. AI hardware sector continued to experience a correction, with the Philadelphia Semiconductor Index falling by 5%. NVIDIA declined by 0.97%, TSMC dropped by 3.58%, Broadcom fell by 2.43%, and SK Hynix lost 6.75%. Micron dropped by 8.82%, SuperMicro Corporation fell by 7.98%, Intel declined by 5.81%, and ASML lost 5.09%. Lam Research dropped by 7.90%, Arm Holdings fell by 7.85%, SanDisk declined by 10.79%, Qualcomm lost 3.09%, Micron Technology dropped by 7.94%, Western Digital fell by 12.10%, and Seagate Technology declined by 11.35%.

WOOFUN AI

Impact Assessment · Quick Read

The broad-based decline across major semiconductor names suggests a sector-wide rotation or profit-taking event rather than isolated company-specific issues. The significant drops in storage giants Western Digital and Seagate highlight particular weakness in the memory and storage sub-sectors. Investors may monitor whether this correction stabilizes or deepens, as it impacts the broader valuation narrative for AI infrastructure plays.
Generated by WOOFUN AI · For reference only, not investment advice

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