** Australian miners .AXMM rise as much as 1.7% to 8,284.7 points, highest since April 8
** Sub-index last up 1.3%; set for best day since April 8
** Iron ore prices climbed overnight supported by surging oil, higher feedstock demand IRONORE/
** Iperionx IPX.AX, ASX-listed shares of Capstone Copper CSC.AX added 11.2% and 6.2%, respectively, leading gains on AXMM
** Heavyweights Rio Tinto RIO.AX, BHP Group BHP.AX, Fortescue FMG.AX advanced 1%-3%
** YTD, AXMM up 11.5%
(Reporting by Roushni Nair in Bengaluru)
((Roushni.nair@thomsonreuters.com))