• Shares of North Stawell Minerals 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)