SMIC's Hong Kong shares tumble after U.S. tightens export restrictions
https://www.reuters.com/article/us-usa-china-smic/smics-hong-kong-shares-tumble-after-u-s-tightens-export-restrictions-idUSKBN26J018
Hong Kong-listed shares of Semiconductor Manufacturing International Corp fell more than 7% on Monday after the United States imposed restrictions on exports to China's biggest chip maker, citing a risk of military use.