IRONORE/ Index majors Rio Tinto Ltd RIO.AX and BHP Group Ltd BHP.AX gained 0.8% and 1%, respectively. Investors remained cautious as geopolitical risks loomed, potentially leading to an economic recession, with added inflationary effects and the possibility of more aggressive rate hikes from the U.S. Federal Reserve. Miners .AXMM, however, bucked the overall trend and rose 1.3%, maintaining a record high, with iron ore prices marking their best quarter since 2020, as hopes of additional policy support from China raised sentiment for the asset class.