** Shares of molecular diagnostics firm Genetic Signatures GSS.AX rise 7.1% to A$0.15, their highest level since Feb 6
** Stock extends previous session's nearly 73% surge after signing deal to supply equipment, reagents and consumables for gastrointestinal screening to Hvidovre Hospital in Denmark
** About 6.3 mln traded so far, 13.3x the 30-day average
** Stock down 40% YTD, including moves in current session
(Reporting by Jasmeen Ara Shaikh in Bengaluru)
((Jasmeenaraislam.Shaikh@thomsonreuters.com;))