** Sandfire Resources SFR.AX rises as much as 3.1% to A$16.08, highest since October 21
** Copper explorer posts quarterly group sales revenue of $328 million vs $282 million in the previous corresponding period
** Reports quarterly underlying EBITDA of $157 million vs $121 million in the corresponding period in FY25
** Achieves copper equivalent production of 35.5kt in Q1, nearly 5% ahead of its plan
** YTD, SFR up 73.2%
(Reporting by Keshav Singh Chundawat in Bengaluru)
((Keshav.singhchundawat@thomsonreuters.com))