US sanction threats against Chinese banks over Russia trade ties risk ‘gargantuan’ financial instabilityWashington would create global financial instability, while damaging the United States’ already tenuous ties with Beijing, if it carried out reported threats to sanction Chinese banks over their trade with Russia, and even cut China out of the Swift global interbank system, analysts said on Wednesday.The Wall Street Journal reported on Monday, without elaboration, that Washington was drafting sanctions to help US Secretary of State Antony Blinken persuade Beijing to stop any commercial support for Russia’s military production.Blinken arrived in Shanghai on Wednesday at the start of...