HONG KONG (Reuters) - Shares of Hong Kong-listed Semiconductor Manufacturing International Corp <0981.HK> (SMIC) fell as much as 15.2% to HK$20.02, the lowest since June 16, after a U.S. official said it was considering adding the Chinese firm to a trade blacklist.
The stock was the fifth most actively traded by turnover in early trade.
Its Shanghai-listed shares fell as much as 11%.
The Trump administration is considering whether to add China's top chipmaker SMIC to a trade blacklist, a Defense Department official said Friday, as the United States escalates a crackdown on Chinese companies.
(Reporting by Donny Kwok; Editing by Kim Coghill)