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(Reuters) -Companies around the world on Friday began to wrestle with the impact of wide-ranging U.S. curbs on selling chips and chip manufacturing equipment to China.
The sweeping rules have hit chip stocks, with the Philadelphia Semiconductor Index (.SOX) falling nearly 6% by the end of the day. American semiconductor equipment makers Lam Research Corp (NASDAQ:LRCX), Applied Materials Inc (NASDAQ:AMAT) and KLA Corp were all down more than 4%.
Applied Materials said it was assessing the new rules, while Lam and KLA did not immediately respond to requests for comment.
South Korean memory chip maker SK Hynix Inc said on Friday it would seek a license under new U.S. export control rules for equipment to keep operating its factories in China.
American officials on Friday published a sweeping set of rules that restrict the export of some U.S.-made semiconductor manufacturing equipment to China, but provided exemptions for companies from the United States and its allies to seek a license.
“SK Hynix is ready to make its utmost efforts to get the U.S. government’s license and will closely work with the Korean government for this,” the company said in a statement. “We’re also ready to operate our fabrication plants in China smoothly, while complying with the international order.”
Officials on Friday also introduced rules against selling a broad swath of chips for any use in “supercomputer” systems in China. Supercomputers can be used in developing nuclear weapons and other military technologies. U.S. companies Nvidia (NASDAQ:NVDA) Corp and Advanced Micro Devices (NASDAQ:AMD) Inc both said last month they had been told to stop exporting their top-tier chips to China.
The rules define a supercomputer as any system with 100 or more petaflops of so-called double precision computing power, or 200-plus petaflops of single precision computing power, within a 41,600 cubic feet area. A petaflop is a measure of a computer’s processing speed.
Nvidia, which said last month the rules could affect $400 million of its current-quarter sales in China, said Friday it did not expect any further impact on its business.
“These regulations impose on the broader industry controls on processors meeting certain thresholds that we were already subject to. We don’t expect the new controls, including restrictions on sales for highly dense systems, to have a material impact on our business,” the company said in a statement.
AMD did not respond to a request for comment.
