** Shares of Armada Metals AMM.AX rise as much as 75% to
A$0.07, set for best day ever, if current gains hold
** Stock hits highest level since Feb. 2
** Australian explorer says it has purchased lithium
exploration permits in Minas Gerais State, Brazil from Antares
Minerais Estratégicos Ltda
** Adds co is committing to invest a minimum of A$500,000
($325,400.00) on exploration works during the first year at the
project
** About 1.7 mln shares change hands, compared with the
30-day average volume of 85,769
** Stock has fallen 32.1% this year as of last close
($1 = 1.5366 Australian dollars)
(Reporting by Sneha Kumar in Bengaluru)
((sneha.kumar@thomsonreuters.com;))