** Shares of China's Sichuan Kelun-Biotech Biopharmaceutical
6990.HK fall as much as 14.5% to HK$62, their lowest since
July 12
** Cancer drug developer says it received formal notice from
Merck Sharp & Dohme LLC (MSD) to terminate an exclusive license
the company granted to MSD to commercialize a preclinical ADC
asset
** Says MSD has also decided not to exercise an option to
obtain an exclusive license to another preclinical ADC asset
** Adds collaboration with MSD on three clinical-stage ADC
assets and four preclinical ADC assets unaffected
** Hong Kong's healthcare index .HSCIH rises 1.7% while
Hang Seng Composite Index .HSCI slips 0.6%, Hang Seng Index
.HSI eases 0.8%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))