Applied Materials Warns of Sales Hit From Latest Curbs on China

Applied Materials Inc., the largest US maker of machinery used to manufacture semiconductors, said an expansion of rules that restrict the export of its products to China will take another chunk out of its revenue.

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The US Commerce Department’s Bureau of Industry and Security has issued a new rule this week that widens the range of companies subject to export restrictions, Applied Materials said in a regulatory filing Thursday. The company expects that to cost it $600 million in lost revenue in fiscal 2026, which runs through next October.

Shares of the Santa Clara, California-based company fell as much as 5.6% in extended trading following the announcement. They had earlier closed up 2.7% at $223.59.

Applied Materials and its peers have faced increasingly strict rules governing their ability to supply and support customers in China. It’s part of a push in Washington to limit the Asian nation’s ability to develop domestic chip supply. Successive administrations have cited national security concerns for the moves and tried to get other governments to place similar curbs on Applied Materials’ overseas competitors.

The long-awaited rule, published Sept. 29 by the Commerce Department, seeks to prevent sanctioned companies from using affiliates to access restricted US goods. Subsidiaries that are at least 50% owned by blacklisted companies will now face the same curbs as their sanctioned parents, according to the measure.

--With assistance from Mackenzie Hawkins.

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