Senior executives from chipmakers including Intel, GlobalFoundries, Amkor and Marvell are expected to attend a business meeting on Monday in Hanoi

The sweeping deal aims to link South Asia and the Middle East to help the flow of energy and trade from the Gulf to Europe

The chief of one of the world’s biggest chip equipment-makers, ASML, said isolating China completely will ‘force’ the country to ramp up innovation

"The significance is that it shows that China has been able to stay 2-2.5 nodes behind the world's best (chip) companies," Dan Hutcheson, an analyst with TechInsights said

China's ban on iPhone use by government workers was extended to local government entities last month, raising fears that Apple and its suppliers could be hit hard by rising Sino-US tension

Republican chair of influential House panel calls for harsher curbs after the discovery of new chips in Huawei phones "that may violate trade restrictions"

Guterres warned of fragmentation "in world economic and financial systems" amid differing views on technology and security; he also urged solutions for poor nations' debt and climate change

Sources say staff were given instructions to also not use other foreign-branded devices or bring them into the office

Analysts expect more debate in the US on the effectiveness of chip curbs and the possibility of Congress including harsher sanctions in a competition bill it is preparing against China

The development follows sanctions-hit Huawei's success in building an advanced 7-nanometer processor, in collaboration with state-backed SMIC

Reports that Huawei's latest smartphone has 5G capabilities has sparked questions on the effectiveness of US sanctions and whether chip curbs on China should be expanded

In interviews broadcast on Sunday, the US commerce secretary said China's economy did better when it was more transparent and market-oriented