** Shares of China's semiconductor wafers producer Hua Hong
Semiconductor Ltd 1347.HK drop as much as 18% to HK$23.20,
their lowest since September 2020, and on course for a fifth
straight session of losses
** Stock marks biggest intraday percentage fall since July
2020; stock is the biggest percentage decliner in both the Hang
Seng Tech Index .HSTECH and the Hang Seng sub-index on
information technology firms .HSCIIT
** The U.S. Department of Commerce is weighing a ban on
American companies selling advanced chipmaking equipment to
Chinese firms, news portal The Information reported, citing two
people familiar with the discussions urn:newsml:reuters.com:*:nFWN2X11N8
** The rules would expand on an existing ban on U.S.
companies selling such equipment to China's leading chipmaker,
Semiconductor Manufacturing International Corp (SMIC) 0981.HK
(https://bit.ly/3MdcP5O)
** The wider ban would affect firms, including state-backed
Hua Hong Semiconductor 1347.HK , ChangXin Memory Technologies
and Yangtze Memory Technologies Corp, and the potential ban is
in early stages and could take months to draft - The Information
** SMIC shares fall 3.3% to HK$14.72, lowest since April 27
** Hang Seng sub-index on information technology firms
.HSCIIT and Hang Seng Tech Index .HSTECH drop 4.1% each
** Hang Seng Composite Index .HSCI loses 2.3% and Hang
Seng Index .HSI falls 2.4%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))