Hasn't the US been sanctioning Chinese firms for a while now? If you do a quick search, it goes anywhere from tariffs, banning export of key technologies to out

Hasn't the US been sanctioning Chinese firms for a while now? If you do a quick search, it goes anywhere from tariffs, banning export of key technologies to outright imprisoning executives. The latest move is to de-list Chinese firms from American exchanges, which is going to severely damage Chinese tech firms ability to raise capital.