** Shares of North Stawell Minerals NSM.AX rise 25% to A$0.040
** Stock set for its strongest session since November 26, if current gains hold
** The gold exploration co says it has found visible gold at the Darlington project in Victoria, Australia
** About 800,909 shares change hands, 1.7x the 30-day average of 469,369
** Stock up 150% YTD, including current session's moves
(Reporting by Manasi Dasa in Bengaluru)
((Manasi.DasaSundeep@thomsonreuters.com;))