** Shares of MTM Critical Metals MTM.AX rise as much as 7.4% to a record high of A$0.58 before paring some gains; last up 5.6%
** Rare earths explorer signs non-binding memorandum of understanding with Meteoric Resources MEI.AX
** Says deal to collaborate on downstream processing of mixed rare earth carbonate from Meteoric’s Caldeira rare earth project in Brazil
** Shares of Meteoric rose 4% to A$0.130
** MTM up ~119% this year, including the day's move, while Meteoric is up ~52%
(Reporting by John Biju in Bengaluru)
((John.Biju@thomsonreuters.com;))