** Shares of drug developer BYSI.O down 49.6% at $6.44
premarket, set to open at a record low
** U.S. FDA declines to approve co's experimental therapy,
plinabulin, for prevention of chemotherapy-induced neutropenia
(CIN), citing need for an additional study urn:newsml:reuters.com:*:nL4N2SM34W
** Neutropenia refers to a decrease in the number of white
blood cells, a common complication of chemotherapy
** FDA says that data from co's late-stage study did not
sufficiently provide evidence of benefit
** Co says it will work closely with the FDA to continue
development of the drug
** Up to Tuesday's close, stock had risen 4.67% YTD
(Reporting by Oishee Majumdar in Bengaluru)
((oishee.majumdar@thomsonreuters.com;))