** Shares of Australia's Sunshine Metals SHN.AX rise as much as 28.6% to A$0.009, their biggest intraday gain since April 16
** Stock at its highest level since May 15
** Gold and copper explorer to acquire the Sybil Epithermal Gold project located in Queensland, Australia
** Deal valued at A$1.2 million ($794,167.50)
** Around 8.3 million shares change hands, 1.3x the 30-day average volume
** Stock has fallen 12.5% this year, as of 0220 GMT
($1 = 1.5425 Australian dollars)
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com))