** Shares of Genscript Biotech Corp 1548.HK fall as much
as 27.1% to HK$10.12, their lowest since Jan 2019
** The biotech firm says China's Customs Anti-Smuggling
Department raided its offices in Nanjing and Zhenjiang, in
connection with an investigation on suspected violations of
import and export regulations in the mainland urn:newsml:reuters.com:*:nFWN2GI0GP
** "Business operations remain normal. The company has taken
legal advice as appropriate," Genscript says, adding that it
will proactively assist the law enforcement authority with the
investigation, if required
** Jiangsu-based firm says Chairman Fangliang Zhang is under
"residential surveillance", while four other employees have been
detained for questioning
** Chairman Zhang may continue to take part in decision
making via appropriate means but does not participate in the
company's daily operations - Genscript
** Stock on track for its worst day since Sept 2018
** Stock is third-biggest percentage decliner among all
listed companies on the Hong Kong bourse, and seventh most
actively traded
** The Hang Seng China enterprises index .HSCE slides
0.2%, and the benchmark index .HSI eases 0.6%
** As of last close, stock down 21.1% this year
(Reuters Messaging: donny.kwok.thomsonreuters.com@reuters.net)