** Shares of Greenvale Mining GRV.AX climb as much as 20%
to A$0.21, their best intraday gain since Jan 31
** Co says it will buy an initial 51% stake in Within Energy
Pty Ltd, a geothermal energy firm based in Queensland
urn:newsml:reuters.com:*:nGLF9GZ472
** A 51% stake for a consideration of 3 mln fully-paid
ordinary GRV shares
** Greenvale to increase stake to 100% upon attaining
certain milestones
** Stock hits highest level since May 9
** Trading volumes at twice their 30-day average, with
nearly 835,000 shares traded so far
** Stock down by nearly half YTD, as of last close
(Reporting by Harshita Swaminathan)
((Harshita.Swaminathan@thomsonreuters.com))