** Shares of Revolver Resources Holdings Ltd RRR.AX rise
as much as 12.5% to A$0.27, their best intraday gain since Nov.
23
** Copper explorer says new sampling at its Dianne Copper
Project in North Queensland "shows clear evidence of copper,
zinc, cobalt and gold signatures" urn:newsml:reuters.com:*:nASX3kW4Qv
** Adds it will scale-up drilling at the project to further
test potential of mineralisation
** Stock hits highest level since since Nov. 23
** RRR down 47.8% this year as of last close
(Reporting by Ayushman Ojha in Bengaluru)
((Ayushman.ojha@thomsonreuters.com))