** Shares of Resource Minerals International RMI.AX rise as much as 11.1% to A$0.03, their highest level since May 29

** Stock marks its biggest intraday pct gain since August 29

** Stock logs a third consecutive session of gains

** The mineral explorer finds high-grade gold and silver at Shaib Marqan and Wadi Salamah projects in Saudi Arabia

** About 7.7 million shares traded, 9.3x the 30-day average

** YTD stock up 366.7%, including current session's move

(Reporting by Ananya Verma in Bengaluru)

((ananya.verma@thomsonreuters.com;))