** Shares of Nuix NXL.AX advance as much as 5.14% to A$1.893, posting their biggest intraday pct gain since November 19
** Digital forensics solutions provider to buy Linkurious, a graph-powered decision platform, for up to 20 million euros ($23.34 million) in enterprise value
** Says deal advances its innovation roadmap by adding graph tech and data visualisation capabilities
** Stock has tumbled 70.8% this year
($1 = 0.8570 euros)
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com; X: @thatstanishk http://www.x.com/thatstanishk;))