A dozen members of staff said they were in "disbelief" at UK ministers ordering China's Nexperia to sell its 86% stake in the plant and travelled to Westminister to protest at the decision

Plans for the new facility in Arizona are not completely finalised but it will produce advanced 3-nanometre chips, founder Morris Chang said on Monday. He plans to attend the launch.

TSMC envoy Morris Chang, who was Taiwan's envoy at the summit in Bangkok, said his warm words with Xi were his own idea and he just offered his "own opinion".

"It was a very happy, polite interaction," Taiwan official Morris Chang said, adding that tensions across the Taiwan Strait were not discussed

The two representatives discussed TSMC's new $12 billion microchip plant in the US state of Arizona

Taiwan’s parliament is likely to review technology transfers to mainland China because of fears that leaked advancements could undermine the island’s critical tech sector

It is imperative for the island to remain competitive as countries including the United States, Japan and South Korea offer billions to bolster their chip industries, the economy ministry said

Britain blocks Chinese takeover of chip factory in Wales, saying the move was prompted by national security concerns.

Hong Kong's Hang Seng Index tumbled 2.7%, with its tech stocks slipping more than 5%. Mainland Chinese shares also declined, with blue chips falling 1.2%.

The US tech firm’s most advanced chip yet can store a third more data than older memory chips

The move is an effort to bolster ASML's relations with customers like Samsung and SK Hynix in the face of new US chip sanctions against China

Taiwan, home to the world's largest contract chipmaker, TSMC, plays an outsized role in providing chips used in everything from cars to fighter jets