** Shares of Australia's Barton Gold BGD.AX rise as much as 3.5% to A$0.973, biggest intraday pct gain since April 20
** Gold developer says it has been closely monitoring the situation in the Middle East, procuring diesel supplies during the quarter
** Adds it has secured diesel supplies for all planned forward drilling programs during CY26
** Updates that it finds new gold reserves at its Challenger gold project in Australia
** Despite moves, the stock is down 26.5% YTD
(Reporting by Aamir Sheik Khalid in Bengaluru)
((Aamir.SheikKhalid@thomsonreuters.com))