The move follows export restrictions imposed by the Biden Administration. YMTC is also being investigated by the Commerce officials on whether it sold chips to blacklisted Huawei

$44-billion takeover bid hits rocky water. But a lawyer for Musk said Twitter's court filing was a "misdirection" and that: "It is Twitter's executives that are under federal investigation."

Global financial conditions, reflectling the availability of funding, were at their tightest since 2009 in late September, lifted by surging interest rates, falling equities and a soaring dollar

Hedge fund billionaire warns that the US Federal Reserve's determination to keep raising interest rates to counter inflation will create real economic pain

Memory chipmaker confirms that it received an exemption on the new US restrictions. Samsung has yet to comment, but it is also tipped to get a reprieve for its operations in China.

Dimon said the S&P 500 stock index could fall by "another easy 20%" from current levels, but that was likely to "be much more painful" than the 24% so far this year

The chip export control moves could amount to the biggest shift in US policy toward shipping technology to China since the 1990s

New US restrictions on computer chips and chipmaking equipment to China could hurt Chinese foundries set up by South Korean chipmakers, a report says

China's chipmaking sector and many others dependent on advanced US tech are likely to be hit hard by export controls announced by Washington last Friday, the FT says.

Thirteen Chinese firms have been added to a blacklist that bars US investment, including DJI Technology, Dahua Technology and BGI Genomics.

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

Fear of court proceedings may have convinced Musk to proceed with his $44-billion bid to take Twitter private, legal experts say