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The announcement on Friday marked the latest volley in a long-running standoff between the two superpowers that has seen them face off over a range of issues including technology, trade, Hong Kong, Taiwan and human rights.
The US Department of Commerce said the measures include export restrictions on some chips used in supercomputing, and toughen requirements on the sale of semiconductor equipment.
The decision hammered chip<\/a> manufacturers, with the Philadelphia Stock Exchange Semiconductor Index seeing its lowest close since late 2020, while Bloomberg News reported that $240 billion had been slashed from companies' market values globally.
Taipei, Seoul and Tokyo markets were closed for holidays on Monday, and when trading resumed Tuesday, chipmakers sank.
Taipei-listed firms were among the worst hit.
Taiwan Semiconductor Manufacturing Co. and ASE Technology each plunged around eight percent, while United Microelectronics shed more than six percent.
South Korean tech titan Samsung Electronics<\/a>, a major semiconductor maker, dived around three percent in Seoul where DB Hitek was off four percent.
And in Tokyo, Renesas Electronics shed almost six percent, with Tokyo Electron losing a similar amount.
The US measures are likely to complicate Beijing's push to further its own semiconductor industry and develop advanced military systems.
They came days ahead of a major Communist Party congress in China at which President Xi Jinping is expected to secure a historic third term.
The rules were also announced just days after the Pentagon added 13 more Chinese firms including drone manufacturer DJI and surveillance firm Zhejiang Dahua Technology to a blacklist of Chinese military-linked companies.
\"With the latest measure, it would become difficult for China to manufacture and develop semiconductors because most semiconductor equipment is dominated by the US and its allies,\" said Chae Minsook, of Korea Investment & Securities.
\"It is impossible to maintain the chip industry without adopting advanced equipment.\"
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周五宣布的最新例证。标志着在一个长时间运行的两个超级大国之间的对峙,他们面临了一系列的问题,包括技术、贸易、香港、台湾和人权。
美国商务部表示,措施包括出口限制一些芯片用于超级计算机,并严格要求半导体设备的销售。
这一决定打击芯片制造商,费城证交所半导体指数看到2020年末以来的最低收盘点位,而彭博新闻社报道称,2400亿美元已经削减了从全球公司的市场价值。乐动扑克
台北,首尔和东京股市因假日周一,周二恢复交易时,芯片制造商沉没。
台北公司受到的冲击最大。
台湾半导体制造公司和日月光半导体技术每下降百分之八左右,而联华电子裁员逾百分之六。
韩国科技巨头三星电子,一个主要的半导体制造商,大约百分之三在首尔DB Hitek下跌了百分之四。
在东京,瑞萨电子重挫近百分之六,与东京电子失去等量。
美国的措施可能会进一步复杂化北京推动自己的半导体产业和发展先进军事系统。
他们前几天的一个主要的中国共产党代表大会主席习近平预计将获得一个历史性的第三个任期。
规则也宣布几天后五角大楼增加了13更多中国公司包括无人驾驶飞机制造商收和监测公司浙江大华技术中国military-linked公司的黑名单。
“最新的措施,它将成为中国制造的困难和发展半导体因为大多数半导体设备是由美国及其盟友,”崔Minsook说,韩国投资证券。
“不可能保持芯片行业没有采用先进的设备。”
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