China's semiconductor index fell more than 5% as chipmakers shed over $8bn in market value and tech giants dropped on Monday, after the US unveiled a raft of export control measures

The Biden administration has brought in new export controls, including cutting China off from certain semiconductor chips made with US tools

New US export restrictions will target China-based producers of DRAM chips, but Samsung and SK Hynix are likely to get more leeway from US regulators, sources say

Huawei will likely avoid using sanctioned advanced chips and use less advanced alternatives from Chinese companies, the FT said

China has ditched recognition of the median line in the Taiwan Strait, while Taiwan keeps a monthly record of key supplies like food and energy in case of conflict with China, officials said Wednesday

SoftBank chief Masayoshi Son hasn't proposed that Samsung buy a stake in Arm or make a pre-IPO investment, the JoongAng daily newspaper reported

"They may feel the job is too hard and not well-paid," Huike Edutech partner Chen Ying was quoted as saying.

The South Korean firm plans to ramp up manufacturing of its advanced chips used for artificial intelligence, 5G, and high-performance computing over the next five years

The US is expected to announce new moves this week to stop Chinese firms gaining access to chips enabling high-performance computing.

Letters to Nvidia and AMD last month telling them to stop shipment of chips used for language processing and nuclear weapons research are likely precursors to new rules, official says

The semiconductor shortage, which forced some carmakers to halt production, put a spotlight on chip powerhouse Taiwan and made supply chain management a priority for governments

Democrat leaders are among a bipartisan group who urged Biden to issue an order to "safeguard our national security and supply chain resiliency on outbound investments to foreign adversaries."