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Intel stock falls 10.8% as TSMC report hits Terafab plans

10/10/2026

Intel shares dropped 10.8% over the week ending October 5, a decline triggered by reports that TSMC may join the Terafab chip plant project.

While the news raised concerns that TSMC could displace Intel in the project, the company maintains it is staying involved.

The sell-off coincided with broader struggles for AI stocks driven by yields and oil prices, suggesting a rough week rather than a unique market shock.

Historical data shows Intel has endured deeper losses during major market disruptions. During the 2008-2009 Global Financial Crisis, Intel stock fell 54.0%, its steepest decline across the 15 market shocks since 2007.

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