China warned that it would “take all necessary measures” and retaliate against the US if any of its companies are included in the Trump administration’s new secondary sanctions targeting Iran.Companies based in Hong Kong and mainland China were among the entities targeted by the US after Treasury Secretary Scott Bessent announced “Operation Economic Outcast” on Monday to further isolate Iran. The US, however, stopped short of listing large Chinese financial institutions, with Beijing — Iran’s largest oil buyer — warning that it will do whatever it takes to protect its economic interests. *** “China has made clear on many occasions...