** Shares of U.S. drug developer NBRV.O plunge 23.7% to 63
cents premarket as the FDA again declined to approve co's
antibiotic for complicated urinary tract infections
** NBRV worst performing stock across U.S. exchanges
premarket
** U.S. FDA cited manufacturing issues that could not be
resolved due to its inability to conduct onsite inspections
because of travel restrictions from the coronavirus outbreak
** FDA did not request any new clinical data or raise any
other concerns on efficacy or safety of the antibiotic, Contepo
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** Shares have fallen 37% YTD, as of Friday's close
(Reporting by Saumya Sibi Joseph in Bengaluru)
((saumya.joseph@thomsonreuters.com))