** Shares of Alphamab Oncology 9966.HK jump 7.9% to
HK$12.88, their highest since May 18
** Stock on track for biggest one-day pct rise since Oct. 27
if gains hold; third biggest pct gainer in Hang Seng Composite
Index .HSCI
** Co says Center for Drug Evaluation (CDE) of National
Medical Products Administration of China has granted
breakthrough therapy designation for KN026
** KN026 targets bispecific antibody in combination with
chemotherapy for the treatment of patients with HER2-positive
gastric cancer
** Co says it believes the designation will accelerate the
clinical development and marketing progress of KN026
** Hong Kong's healthcare index .HSCIH falls 1.5%, Hang
Seng Index .HSI down 1.4%
** Stock up 17.5% YTD
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))