** Shares of Australia's Rhythm Biosciences Ltd RHY.AX
jump as much as 137.1% to A$0.830 - set for best day since April
2020, if gains hold
** Medical diagnostics co says its cancer detection
technology product, ColoSTAT, granted UK CA (United Kingdom
Conformity Assessment) mark
** Co says attestation enables it to market and sell
ColoSTAT in the UK
** Stock at its highest level since Feb 28
** Stock down ~65% YTD, as of last close
(Reporting by Ayushman Ojha in Bengaluru)
((Ayushman.ojha@thomsonreuters.com;))