智通财经APP获悉，周五，超微半导体(AMD.US)跌近5%，英伟达(NVDA.US)跌超2%。消息面上，彭博引述知情人士称，即将卸任的美国总统拜登为防止先进技术落入中国和俄罗斯之手，准备最后奋力一搏，要对英伟达和超微(AMD)等公司的人工智能(AI)芯片出口祭出新一轮大规模的全球性限制措施。
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