SEATTLE, Dec 1 (Reuters) - The U.S. Department of Justice has issued subpoenas to Nvidia Corp. and Advanced Micro Devices Inc. as part of a probe into potential antitrust violations involving graphics chips, helping to send shares in the companies lower.
Nvidia, the largest independent maker of graphics chips for computers and other devices, said on Friday that no specific allegations had been made against the company and that it plans to cooperate with the investigation.
AMD, the No. 2 maker of computer processors, said late on Thursday that it had been subpoenaed. AMD entered the graphics business in October after acquiring Canadian firm ATI Technologies for $5.4 billion.
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