** Shares of Nelson Resources NES.AX rise as much as 33.3% to A$0.008, their highest level since August 28, 2023
** Stock logs third session of consecutive gains
** Gold explorer signs mining agreement with MEGA resources for Yarri gold project in Western Australia
** MEGA to fully fund development in Yarri gold project, with NES to retain 30% of profits
** About 37.4 mln shares traded, 12.3x the 30-day average
** YTD stock up 220%, including current session's move
(Reporting by Ananya Verma in Bengaluru)
((ananya.verma@thomsonreuters.com;))