Probably the greatest Chinese tech firms are seeing investors support their extent of Hong Kong-exchanged shares from American Depository Receipts, as harder US regulatory oversight and raised bilateral pressures darken the possibilities for such firms on Wall Street. Nine Chinese firms that have a US essential posting and either optional or dual primary-listed status in the Asian monetary hub have seen expanded extent of Hong Kong shares in the previous year, as indicated by Bloomberg estimations in view of trade data accessible through January 2021. The development adds to the momentum of financial decoupling between the world’s two largest economies,…