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

Server chips had been the only remaining bright spot in memory chip demand that drove SK Hynix to report a 56% jump in operating profit

The 11% rise in earnings was attributed to demand for memory chips from server customers, which offset inflation-hit smartphone sales

China chipmakers lack the technology to keep it at the forefront of chip design and manufacture, says Jefferies Group analyst Edison Lee.

South Korean electronics giant warns shortage of parts may continue this year