The restriction is aimed at closing a crucial loophole in the export controls the US implemented in October that allowed Chinese AI firms to access high-end chips through the cloud

The island's foreign minister said his government would not block investment in Europe, but the continent needed to "consider a broader picture" and think on Taiwan's 'situation'

"The process of diversifying in different geographies is an excellent strategy by TSMC and so TSMC is now part of Nvidia's diversity and redundancy strategy," chief Jensen Huang said

Taiwan smartphone chip maker MediaTek said it will be using Arm's new technology for its next-generation smartphones

Commerce Secretary Gina Raimondo said the US "firmly opposes" the ban and that it is working closely with allies to address such "coercion"

South Korea is in the crosshairs of a tit-for-tat row between China and the United States over semiconductors

"It takes huge amounts of pre-emptive investment to be a chipmaker, and it takes five years, 10 years to break even on those investments, so putting predictability into jeopardy makes investments difficult," an analyst said

"This export restriction is noticeable, but it's not quite as devastating as it could have been," one expert said

Analysts say Samsung’s chip division likely reported quarterly losses of more than $2.3 billion due to falling memory chip prices and lower inventory values

The second-largest chipmaker in China after SMIC, Hua Hong will produce 300mm (12-inch) semiconductor wafers at the factory

Samsung's persistence with investment plans could help it take market share in memory chips and support its share price when demand recovers

Taiwan assessed China had staged the military "provocation" to express anger at a new US defence authorisation law