** Shares of copper explorer Tennant Minerals Ltd TMS.AX
rise as much as 89.4% to A$0.083, their highest since Nov. 19,
2018
** Co says drilling at its Bluebird copper-gold prospect in
Northern Territory in Australia confirms thick, high-grade,
copper with gold intersections urn:newsml:reuters.com:*:nASXcdwWq6
** Stock posts biggest intraday pct gain since Nov. 19, 2018
** Over 75.5 mln shares change hands vs 30-day average
volume of ~8.6 mln
** Stock up 40% YTD, as of last close
(Reporting by Arundhati Dutta in Bengaluru)
((Arundhati.Dutta@thomsonreuters.com;))