(Updates)
** Shares of biotech firm Chinook Therapeutics KDNY.O jump
56.4% to $37.52, hitting over 4-year high
** Stock among top three pct. gainers across U.S. stock
exchanges
** Swiss drugmaker Novartis NOVN.S has
agreed
to acquire KDNY to boost its late-stage drug development
line-up, raising the stakes in the race for a rare kidney
disease treatment
** NOVN to acquire KDNY for up to $3.5 bln at $40 per share,
in cash, plus a contingent value right worth up to $300 mln,
depending on certain regulatory achievements - NOVN
** The upfront payment represents a premium of 66.7% to
Chinook's closing price on Friday
** The transaction is expected to close in the second half
of 2023 - NOVN
** KDNY shares slumped, but quickly recovered, last
month when short-seller Muddy Waters
said
it was betting on the stock to fall
** Including session's gain, KDNY shares up 43.2% YTD
(Reporting by Mariam Sunny and Pratik Jain in Bengaluru)
((Mariam.ESunny@thomsonreuters.com;))