** Shares of Australian mineral explorer Metal Hawk MHK.AX
soar as much as 12.1% to A$0.160
** Shares on track for their biggest intraday pct gain since
June 26, if gains hold
** Shares hit their highest since June 27
** Co says it has signed an agreement with coal haulage
company Horizon Minerals HRZ.AX to buy an interest in seven
tenements at Yarmany Nickel-Lithium Project in Western Australia
** Stock down 21.2% this year, as of last close, vs a 3.4%
increase in the benchmark S&P/ASX 200 index .AXJO
(Reporting by Roushni Nair in Bengaluru)
((Roushni.Nair@thomsonreuters.com;))