** Shares of drug developer BioAge Labs BIOA.O down ~70%
to $6.13 premarket
** Brokerage Jefferies downgrades stock to "hold" from
"buy"; lowers PT to $7 from $42
** New PT represents a 65.2% downside to Friday's close of
$20.09
** Brokerage lowers PT on discontinuation of co's mid-stage
obesity drug trial due to liver safety concerns
** Brokerage expects significant "stock drop"
** Brokerage also lowers co's drug pipeline value to $200
mln from $300 mln
** As of last close, stock has fallen 10.7% YTD
(Reporting by Kamal Choudhury in Bengaluru)
((Kamal.Choudhury@thomsonreuters.com;))