** Shares of copper and gold explorer Petratherm Ltd
PTR.AX rise as much as 42.9% to A$0.1, their highest since
April 16
** Co says it acquired an iron-oxide copper-gold project
near Woomera in South Australia urn:newsml:reuters.com:*:nFWN2NX15X
** Stock posts its biggest intraday pct gain since May 21
** About 11.5 mln shares change hands, compared with the
30-day average of about 290,000 shares
** Stock is down 52.1% this year, as of last close
(Reporting by Soumyajit Saha in Bengaluru)
((Soumyajit.Saha@thomsonreuters.com;))