** Shares of Win Metals WIN.AX rise as much as 20% to A$0.024, hitting their highest level since June 2
** Stock last up 15% at A$0.023, set for best day since April 17 - if current gains hold
** Lithium-nickel miner buys high-grade Radio Gold Mine in the Yilgarn region of Western Australia from Top Global Mining
** Consideration includes cash of A$500,000 ($323,200.00), among others
** Says acquisition involves portfolio of mining tenements, and range of mining and processing assets, among others
** About 1.3 mln shares change hands, 1.8x the 30-day avg trading volume of about 699,436
** Session lifts YTD gains to 27.8%
($1 = 1.5470 Australian dollars)
(Reporting by Shruti Agarwal in Bengaluru)
((Shruti.Agarwal@thomsonreuters.com))