** Shares of Blackstone Minerals BSX.AX rise as much as
20.8% to A$0.145, marking their biggest intraday percentage gain
since Sept. 2
** Cobalt-nickel-gold explorer signs a non-binding joint
venture agreement with EcoPro BM co ltd 247540.KQ , South
Korea's largest electric vehicle battery cathode producer
urn:newsml:reuters.com:*:nL4N28B0PZ
** Under agreement, co and EcoPro BM to develop a downstream
processing facility with Blackstone's Ta Khoa Nickel Project in
Vietnam
** Joint venture to develop nickel, cobalt and other battery
minerals for battery manufacturing
** Stock hits highest in over a month
** Stock has risen 4.4% this year, as of last close
(Reporting by Arpit Nayak)
((Arpit.Nayak@thomsonreuters.com;))